{"id":2000,"date":"2026-10-26T08:00:00","date_gmt":"2026-10-26T08:00:00","guid":{"rendered":"https:\/\/prennox.com\/?p=2000"},"modified":"2026-10-16T03:56:27","modified_gmt":"2026-10-16T03:56:27","slug":"tinh-tham-thep-hi-b","status":"publish","type":"post","link":"https:\/\/prennox.com\/vi\/hi-b-steel-permeability\/","title":{"rendered":"\u0110\u1ed9 th\u1ea5m c\u1ee7a th\u00e9p Hi-B: Ph\u00e2n c\u1ef1c t\u1eeb c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp \u0111i\u1ec1u g\u00ec"},"content":{"rendered":"\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>Table of Contents<\/h2><nav><ul><li class=\"\"><a href=\"#section-1\">Hi-B Steel Permeability: The Decision to Resolve<\/a><\/li><li class=\"\"><a href=\"#section-2\">Core Design Excitation and the Adjacent Interface<\/a><\/li><li class=\"\"><a href=\"#section-3\">Material and Functional Evidence<\/a><\/li><li class=\"\"><a href=\"#section-4\">Comparing the Available Supply Approaches<\/a><\/li><li class=\"\"><a href=\"#section-5\">Inspection in the Delivered Condition<\/a><\/li><li class=\"\"><a href=\"#section-6\">A Worked Example and Its Limits<\/a><\/li><li class=\"\"><a href=\"#section-7\">Changes, Exceptions and Release Decisions<\/a><\/li><li class=\"\"><a href=\"#section-8\">Preparing a Technical Inquiry<\/a><\/li><li class=\"\"><a href=\"#section-9\">Frequently Asked Questions<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Two quotations can describe different products while using similar names. For the specified Hi-B CRGO coil, Hi-B material at the existing section and conventional material with revised section may change the engineering or assembly responsibility as much as the purchase price. A useful Hi-B steel permeability comparison holds the project duty constant and makes each supply boundary visible.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hi-B CRGO is a high-permeability grain-oriented electrical-steel option for transformer core manufacturing. Its procurement specification should identify both magnetic performance and the downstream processing needed to achieve the intended core results. This article concentrates on Hi-B steel permeability, with practical checks for engineering, purchasing and incoming inspection.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"section-1\">Hi-B Steel Permeability: The Decision to Resolve<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Write one common requirement before asking suppliers to compare options. Identify core design excitation, magnetic polarization at stated field, the final delivery state and the customer process. For Hi-B steel permeability, list which option meets the approved design directly and which would require a change or qualification trial. Avoid treating an alternative as equivalent merely because it shares a nominal dimension or broad material description.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For Hi-B steel permeability, high permeability concerns the magnetization response. It should not be used as a substitute name for the specified total loss or an assembled-transformer efficiency guarantee.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When evaluating Hi-B steel permeability, remember that the usable coil width should fit the customer\u2019s cut mix. An attractive tonne price may be offset by an inefficient nesting pattern or excessive trim.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/prennox.com\/wp-content\/uploads\/2026\/09\/hi-b-crgo-electrical-steel-coils-01.jpg\" alt=\"Hi-B CRGO electrical-steel coils with protected inner bores\" class=\"wp-image-1435\" srcset=\"https:\/\/prennox.com\/wp-content\/uploads\/2026\/09\/hi-b-crgo-electrical-steel-coils-01.jpg 800w, https:\/\/prennox.com\/wp-content\/uploads\/2026\/09\/hi-b-crgo-electrical-steel-coils-01-300x300.jpg 300w, https:\/\/prennox.com\/wp-content\/uploads\/2026\/09\/hi-b-crgo-electrical-steel-coils-01-150x150.jpg 150w, https:\/\/prennox.com\/wp-content\/uploads\/2026\/09\/hi-b-crgo-electrical-steel-coils-01-768x768.jpg 768w, https:\/\/prennox.com\/wp-content\/uploads\/2026\/09\/hi-b-crgo-electrical-steel-coils-01-600x600.jpg 600w, https:\/\/prennox.com\/wp-content\/uploads\/2026\/09\/hi-b-crgo-electrical-steel-coils-01-100x100.jpg 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"section-2\">Core Design Excitation and the Adjacent Interface<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The Hi-B steel permeability requirement sits between core design excitation and slitting equipment. Put both sides of that relationship in the review package. The supplier needs the current mating-part information, while the buyer needs the actual delivered condition. A requirement that is measured before coil receipt may not describe the state that reaches final assembly. Confirm the point at which the interface is accepted and who owns any operation after it.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In a Hi-B steel permeability review, if a design changes steel grade, review the resulting core section and loss budget. The cost comparison should include the approved magnetic design rather than a material price swap alone.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For Hi-B steel permeability, distinguish the physical feature from the property being evaluated. Magnetic polarization at stated field is one part of the evidence; it should be read with strip thickness and width and the approved product configuration. If a receiving check cannot reproduce the supplier\u2019s measurement condition, resolve the method before shipment. That is preferable to discovering at receipt that both parties have valid measurements of different states.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"section-3\">Material and Functional Evidence<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Separate guaranteed values from reference information and proposed deviations. In a Hi-B steel permeability comparison, an option with more complete documentation is easier to evaluate, but documentation alone is not proof of better physical performance. Ask for the actual evidence that relates to certificate-to-coil identity or the relevant inspection requirement, and keep the method consistent across alternatives.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">One constraint on Hi-B steel permeability is that equivalent-looking international grade names require property comparison. State magnetic limits, thickness, coating and inspection basis so a quotation can be checked without guessing a cross-reference.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For Hi-B steel permeability, transport support must suit the coil orientation. Edge-standing and eye-to-sky arrangements need the appropriate engineered packing and handling procedure.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The recurring risk in this part of the Hi-B steel permeability review is assuming permeability equals low finished loss. Ask which design input or manufacturing step controls it and which result would show that control has been effective. Keep the answer specific to Hi-B CRGO coil. A generic statement about quality management does not identify the material condition, fixture or production-stage evidence needed for this particular interface.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"section-4\">Comparing the Available Supply Approaches<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A lower purchase price can shift work into the receiving factory. Compare the tasks around slitting and cutting, installation at slitting equipment, and any final inspection that the customer must perform. For Hi-B steel permeability, record tooling, trial production, assembly time and the treatment of rejected or damaged material. Use actual quotations and local assumptions before assigning monetary values.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Approach<\/th><th>What must be confirmed<\/th><th>What it does not establish<\/th><\/tr><\/thead><tbody><tr><td>Hi-B Material At The Existing Section<\/td><td>Approved interfaces, delivered state and required evidence<\/td><td>Automatic equivalence to another configuration<\/td><\/tr><tr><td>Conventional Material With Revised Section<\/td><td>Any changed design or qualification work<\/td><td>An improvement in every operating condition<\/td><\/tr><tr><td>Full Coils For Local Slitting<\/td><td>Tasks retained by the buyer and final inspection scope<\/td><td>A complete installed-performance guarantee<\/td><\/tr><tr><td>Supplier-Slit Coils For Defined Widths<\/td><td>Packing, assembly and acceptance responsibilities<\/td><td>The same total cost as a different supply boundary<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Use the table to align the supply boundary for Hi-B steel permeability, then ask suppliers to state deviations explicitly. The alternatives shown are review routes, not a claim that every route is available for every Prennox product. Confirm the actual offered configuration and the customer\u2019s assembly capability before assigning a preference. If an alternative changes miter cutting program, carry that difference into the drawing and acceptance schedule.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"section-5\">Inspection in the Delivered Condition<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">When evaluating Hi-B steel permeability, remember that A Hi-B grade must be evaluated at the core designer\u2019s intended operating point. Material that performs well at one polarization may not provide the same comparison at another.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In a Hi-B steel permeability review, the link from steel certificate to finished core can be lost during internal handling. Give each daughter coil a durable identity and record its parent before the original wrapping is discarded.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/prennox.com\/wp-content\/uploads\/2026\/09\/hi-b-crgo-electrical-steel-coils-02.jpg\" alt=\"Electrical-steel coil on processing equipment\" class=\"wp-image-1436\" srcset=\"https:\/\/prennox.com\/wp-content\/uploads\/2026\/09\/hi-b-crgo-electrical-steel-coils-02.jpg 800w, https:\/\/prennox.com\/wp-content\/uploads\/2026\/09\/hi-b-crgo-electrical-steel-coils-02-300x300.jpg 300w, https:\/\/prennox.com\/wp-content\/uploads\/2026\/09\/hi-b-crgo-electrical-steel-coils-02-150x150.jpg 150w, https:\/\/prennox.com\/wp-content\/uploads\/2026\/09\/hi-b-crgo-electrical-steel-coils-02-768x768.jpg 768w, https:\/\/prennox.com\/wp-content\/uploads\/2026\/09\/hi-b-crgo-electrical-steel-coils-02-600x600.jpg 600w, https:\/\/prennox.com\/wp-content\/uploads\/2026\/09\/hi-b-crgo-electrical-steel-coils-02-100x100.jpg 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">For Hi-B steel permeability, build the receiving record around item identity, requirement, method, condition, result and disposition. Add specific total loss at stated frequency where it addresses the identified risk. Preserve the as-received state when unreviewed grade equivalence is suspected, especially if further cutting, winding or assembly would conceal the evidence. A photograph can support the record, but it should not replace the agreed functional inspection.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"section-6\">A Worked Example and Its Limits<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Illustrative width-utilization check: for a 1000 mm parent width and a cut mix using 913 mm, the arithmetic remainder is 87 mm and width utilization is 91.3%. The mix is hypothetical and omits actual knife, edge-trim and length constraints. For Hi-B steel permeability, it illustrates why price per tonne can differ from price per usable core set. The real slitting plan must confirm available width, permitted trim, daughter-coil masses and the customer\u2019s complete cut program.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The calculation supports one limited part of Hi-B steel permeability. It does not close the review of slitting equipment, miter cutting program or the final transformer duty. Replace every teaching input with the approved project value before using the result in a purchasing decision. Where the underlying relationship is only a screening approximation, record that scope so a preliminary estimate is not later reused as a production acceptance limit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If the preferred option is conventional material with revised section, review its effect on the approved drawing, manufacturing route and test plan. A commercial preference does not authorize a technical substitution. For Hi-B steel permeability, obtain a documented disposition for every material, interface or performance difference and carry that disposition into the final order instead of leaving it in an email comparison.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"section-7\">Changes, Exceptions and Release Decisions<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">One constraint on Hi-B steel permeability is that A customer should distinguish sheet performance, processed-core performance and complete-transformer performance. Each stage introduces different variables and requires its own acceptance boundary.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The useful comparison is an aligned technical and commercial schedule. It should show what each option supplies, what remains with the buyer and which evidence supports acceptance. Use Hi-B steel permeability to identify the best fit for the specific project; avoid a universal winner when operating conditions, assembly capability or the approved insulation and magnetic design can change the decision.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If Hi-B steel permeability remains unresolved, define the next evidence needed instead of broadening the acceptance wording. That may be a revised interface drawing, a representative process trial, a grade-specific statement or a result at the agreed test condition. Identify the affected batch and prevent an unresolved assumption from being copied into a repeat order. Once the evidence is available, record the technical disposition and the effective revision for production and receipt.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"section-8\">Preparing a Technical Inquiry<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A useful Hi-B steel permeability inquiry includes the exact product, quantity, approved drawing or grade, intended use and final supply state. Add requirements for magnetic polarization at stated field, specific total loss at stated frequency and the evidence that addresses stress from tight handling. Define packing and destination information, and identify which assembly or processing stages remain with your plant. If an input is unknown, flag it as a question rather than presenting an invented value as an approved specification.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For the product\u2019s stated supply scope, review <a href=\"https:\/\/prennox.com\/product\/hi-b-high-permeability-crgo-electrical-steel-coil\/\">Hi-B High-Permeability CRGO Electrical Steel Coil<\/a>. The related <a href=\"https:\/\/prennox.com\/crgo-steel-grades-test-reports\/\">CRGO Steel Grades and Test Reports for Transformer Buyers<\/a> provides broader context. The <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/63884\" target=\"_blank\" rel=\"noopener\">IEC grain-oriented electrical-steel specification<\/a> is an independent reference for the relevant technical subject. Its public overview does not certify this product or provide all project acceptance limits; identify the applicable specification and edition in the order.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Send Prennox your drawing, application conditions and Hi-B steel permeability questions through the <a href=\"https:\/\/prennox.com\/contact\/\">technical inquiry page<\/a> or the form below. Request confirmation of the offered configuration, required evidence and any proposed deviations before placing the order. This gives both teams a clear basis for a comparable quotation and an inspectable delivery.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"section-9\">Frequently Asked Questions<\/h2>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list \">\n<div id=\"faq-0-0\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">What information starts a Hi-B steel permeability review?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Start with the approved Hi-B CRGO coil configuration, the relevant drawing revision and the condition being evaluated. Identify core design excitation and magnetic polarization at stated field explicitly. Add the actual manufacturing or installation conditions so the supplier can distinguish confirmed requirements from assumptions.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-0-1\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">Can Hi-B steel permeability be approved from a photograph?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>A photograph can show shape, orientation or visible damage. It cannot establish the complete magnetic, dielectric, thermal or mechanical performance of Hi-B CRGO coil. Use the agreed dimensional record, material identity and functional evidence for the requirement being accepted.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-0-2\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">Which record is most useful for Hi-B steel permeability?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>The useful record connects the delivered item to the specific requirement. Include its batch or serial identity, drawing or grade revision, test or measurement condition and result. For this product, keep evidence concerning magnetic polarization at stated field visible alongside any source-material certificate.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-0-3\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">When does a Hi-B CRGO coil change need a new trial?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Review a change when it affects core design excitation, the supplied material, the processing route or the previous acceptance basis. The extent of requalification depends on the affected function. A matching product name or nominal dimension does not by itself close that review.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-0-4\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">What should a quotation for Hi-B steel permeability include?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Ask for the exact configuration, quantity, supply boundary, approved dimensions or performance, required documents, packing and delivery destination. State any unresolved value as a technical query. Prennox can review the listed product and project requirements before confirming the actual offered scope.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n<div class='fluentform ff-default fluentform_wrapper_3 ffs_default_wrap'><form data-form_id=\"3\" id=\"fluentform_3\" class=\"frm-fluent-form fluent_form_3 ff-el-form-top ff_form_instance_3_1 ff-form-loading ffs_default\" data-form_instance=\"ff_form_instance_3_1\" method=\"POST\" ><fieldset  style=\"border: none!important;margin: 0!important;padding: 0!important;background-color: transparent!important;box-shadow: none!important;outline: none!important; min-inline-size: 100%;\">\n                    <legend class=\"ff_screen_reader_title\" style=\"display: block; margin: 0!important;padding: 0!important;height: 0!important;text-indent: -999999px;width: 0!important;overflow:hidden;\">\u5b98\u7f51\u8be2\u76d8\u8868\u5355<\/legend>        <div\n                style=\"display: none!important; position: absolute!important; transform: 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'><div class='ff-t-cell ff-t-column-1' style='flex-basis: 50%;'><div data-type=\"name-element\" data-name=\"names\" class=\" ff-field_container ff-name-field-wrapper\" ><div class='ff-t-container'><div class='ff-t-cell '><div class='ff-el-group ff-el-form-top'><div class=\"ff-el-input--label ff-el-is-required asterisk-right\"><label for='ff_3_names_first_name_' id='label_ff_3_names_first_name_' >Your Name<\/label><\/div><div class='ff-el-input--content'><input type=\"text\" name=\"names[first_name]\" id=\"ff_3_names_first_name_\" class=\"ff-el-form-control\" placeholder=\"Name\" aria-invalid=\"false\" aria-required=true><\/div><\/div><\/div><\/div><\/div><\/div><div class='ff-t-cell ff-t-column-2' style='flex-basis: 50%;'><div class='ff-el-group'><div class=\"ff-el-input--label ff-el-is-required asterisk-right\"><label for='ff_3_email' id='label_ff_3_email' aria-label=\"Your Email\">Your Email<\/label><\/div><div class='ff-el-input--content'><input type=\"email\" name=\"email\" 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Country<\/label><\/div><div class='ff-el-input--content'><select name=\"country-list\" id=\"ff_3_country-list\" class=\"ff-el-form-control ff_has_multi_select\" placeholder=\"Select Country\" data-name=\"country-list\" aria-invalid='false' aria-required=false><option value=''>Select Country<\/option><option value='AF' >Afghanistan<\/option><option value='EG' >Ai C\u1eadp<\/option><option value='AL' >Albania<\/option><option value='DZ' >Algeria<\/option><option value='AD' >Andorra<\/option><option value='AO' >Angola<\/option><option value='AI' >Anguilla<\/option><option value='AG' >Antigua v\u00e0 Barbuda<\/option><option value='AR' >Argentina<\/option><option value='AM' >Armenia<\/option><option value='AW' >Aruba<\/option><option value='AZ' >Azerbaijan<\/option><option value='PL' >Ba Lan<\/option><option value='BS' >Bahamas<\/option><option value='BH' >Bahrain<\/option><option value='BD' >Bangladesh<\/option><option value='BB' >Barbados<\/option><option value='BY' >Belarus<\/option><option value='BZ' >Belize<\/option><option value='BJ' >Benin<\/option><option value='BM' >Bermuda<\/option><option value='BT' >Bhutan<\/option><option value='BO' >Bolivia<\/option><option value='BQ' >Bonaire, Saint Eustatius v\u00e0 Saba<\/option><option value='BA' >Bosnia v\u00e0 Herzegovina<\/option><option value='BW' >Botswana<\/option><option value='BR' >Brazil<\/option><option value='BN' >Brunei<\/option><option value='BG' >Bulgaria<\/option><option value='BF' >Burkina Faso<\/option><option value='BI' >Burundi<\/option><option value='MK' >B\u1eafc Macedonia<\/option><option value='BE' >B\u1ec9<\/option><option value='PT' >B\u1ed3 \u0110\u00e0o Nha<\/option><option value='CI' >B\u1edd Bi\u1ec3n Ng\u00e0<\/option><option value='CV' >Cabo Verde<\/option><option value='CM' >Cameroon<\/option><option value='KH' >Campuchia<\/option><option value='CA' >Canada<\/option><option value='TD' >Chad<\/option><option value='CL' >Chile<\/option><option value='CO' >Colombia<\/option><option value='KM' >Comoros<\/option><option value='CR' >Costa Rica<\/option><option value='HR' >Croatia<\/option><option value='CU' >Cuba<\/option><option value='CW' >Cura\u00e7ao<\/option><option value='AE' >C\u00e1c Ti\u1ec3u v\u01b0\u01a1ng qu\u1ed1c \u1ea2 R\u1eadp Th\u1ed1ng nh\u1ea5t<\/option><option value='UM' >C\u00e1c \u0111\u1ea3o nh\u1ecf l\u1ebb xa x\u00f4i c\u1ee7a Hoa K\u1ef3 (M\u1ef9)<\/option><option value='CG' >C\u1ed9ng h\u00f2a Congo (Brazzaville)<\/option><option value='DO' >C\u1ed9ng h\u00f2a Dominica<\/option><option value='CD' >C\u1ed9ng h\u00f2a D\u00e2n ch\u1ee7 Congo (Kinshasa)<\/option><option value='CZ' >C\u1ed9ng h\u00f2a S\u00e9c<\/option><option value='CF' >C\u1ed9ng h\u00f2a Trung Phi<\/option><option value='DJ' >Djibouti<\/option><option value='DM' >Dominica<\/option><option value='EC' >Ecuador<\/option><option value='SV' >El Salvador<\/option><option value='ER' >Eritrea<\/option><option value='EE' >Estonia<\/option><option value='SZ' >Eswatini<\/option><option value='ET' >Ethiopia<\/option><option value='FJ' >Fiji<\/option><option value='GA' >Gabon<\/option><option value='GM' >Gambia<\/option><option value='GE' >Georgia<\/option><option value='GH' >Ghana<\/option><option value='GI' >Gibraltar<\/option><option value='GL' >Greenland<\/option><option value='GD' >Grenada<\/option><option value='GP' >Guadeloupe<\/option><option value='GU' >Guam<\/option><option value='GT' >Guatemala<\/option><option value='GG' >Guernsey<\/option><option value='GN' >Guinea<\/option><option value='GQ' >Guinea X\u00edch \u0111\u1ea1o<\/option><option value='GW' >Guinea-Bissau<\/option><option value='GY' >Guyana<\/option><option value='GF' >Guyane thu\u1ed9c Ph\u00e1p<\/option><option value='HT' >Haiti<\/option><option value='US' >Hoa K\u1ef3 (M\u1ef9)<\/option><option value='HN' >Honduras<\/option><option value='HU' >Hungary<\/option><option value='GR' >Hy L\u1ea1p<\/option><option value='NL' >H\u00e0 Lan<\/option><option value='KR' >H\u00e0n Qu\u1ed1c<\/option><option value='HK' >H\u1ed3ng K\u00f4ng<\/option><option value='IS' >Iceland<\/option><option value='ID' >Indonesia<\/option><option value='IR' >Iran<\/option><option value='IQ' >Iraq<\/option><option value='IE' >Ireland<\/option><option value='IL' >Israel<\/option><option value='JM' >Jamaica<\/option><option value='JE' >Jersey<\/option><option value='JO' >Jordan<\/option><option value='KZ' >Kazakhstan<\/option><option value='KE' >Kenya<\/option><option value='KI' >Kiribati<\/option><option value='XK' >Kosovo<\/option><option value='KW' >Kuwait<\/option><option value='KG' >Kyrgyzstan<\/option><option value='LV' >Latvia<\/option><option value='LB' >Lebanon<\/option><option value='LS' >Lesotho<\/option><option value='LR' >Liberia<\/option><option value='LY' >Libya<\/option><option value='LI' >Liechtenstein<\/option><option value='LT' >Lithuania<\/option><option value='LU' >Luxembourg<\/option><option value='LA' >L\u00e0o<\/option><option value='PS' >L\u00e3nh th\u1ed5 Palestine<\/option><option value='TF' >L\u00e3nh th\u1ed5 ph\u00eda Nam c\u1ee7a Ph\u00e1p<\/option><option value='IO' >L\u00e3nh th\u1ed5 \u1ea4n \u0110\u1ed9 D\u01b0\u01a1ng thu\u1ed9c Anh<\/option><option value='MO' >Ma Cao, Trung Qu\u1ed1c<\/option><option value='MG' >Madagascar<\/option><option value='MW' >Malawi<\/option><option value='MY' >Malaysia<\/option><option value='MV' >Maldives<\/option><option value='ML' >Mali<\/option><option value='MT' >Malta<\/option><option value='MQ' >Martinique<\/option><option value='MR' >Mauritania<\/option><option value='MU' >Mauritius<\/option><option value='YT' >Mayotte<\/option><option value='MX' >Mexico<\/option><option value='FM' >Micronesia<\/option><option value='MD' >Moldova<\/option><option value='MC' >Monaco<\/option><option value='ME' >Montenegro<\/option><option value='MS' >Montserrat<\/option><option value='MA' >Morocco<\/option><option value='MZ' >Mozambique<\/option><option value='MM' >Myanmar<\/option><option value='MN' >M\u00f4ng C\u1ed5<\/option><option value='NO' >Na Uy<\/option><option value='AQ' >Nam C\u1ef1c<\/option><option value='GS' >Nam Georgia v\u00e0 Qu\u1ea7n \u0111\u1ea3o Nam Sandwich<\/option><option value='ZA' >Nam Phi<\/option><option value='SS' >Nam Sudan<\/option><option value='NA' >Namibia<\/option><option value='NR' >Nauru<\/option><option value='NP' >Nepal<\/option><option value='NC' >New Caledonia<\/option><option value='NZ' >New Zealand<\/option><option value='RU' >Nga<\/option><option value='JP' >Nh\u1eadt B\u1ea3n<\/option><option value='NI' >Nicaragua<\/option><option value='NE' >Niger<\/option><option value='NG' >Nigeria<\/option><option value='NU' >Niue<\/option><option value='OM' >Oman<\/option><option value='PK' >Pakistan<\/option><option value='PW' >Palau<\/option><option value='PA' >Panama<\/option><option value='PG' >Papua New Guinea<\/option><option value='PY' >Paraguay<\/option><option value='PE' >Peru<\/option><option value='PH' >Philippines<\/option><option value='FR' >Ph\u00e1p<\/option><option value='FI' >Ph\u1ea7n Lan<\/option><option value='PN' >Pitcairn<\/option><option value='PF' >Polynesia thu\u1ed9c Ph\u00e1p<\/option><option value='PR' >Puerto Rico<\/option><option value='QA' >Qatar<\/option><option value='AX' >Qu\u1ea7n \u0111\u1ea3o Aland<\/option><option value='MP' >Qu\u1ea7n \u0111\u1ea3o B\u1eafc Mariana<\/option><option value='KY' >Qu\u1ea7n \u0111\u1ea3o Cayman<\/option><option value='CC' >Qu\u1ea7n \u0111\u1ea3o Cocos (Keeling)<\/option><option value='CK' >Qu\u1ea7n \u0111\u1ea3o Cook<\/option><option value='FK' >Qu\u1ea7n \u0111\u1ea3o Falkland<\/option><option value='FO' >Qu\u1ea7n \u0111\u1ea3o Faroe<\/option><option value='HM' >Qu\u1ea7n \u0111\u1ea3o Heard v\u00e0 McDonald<\/option><option value='MH' >Qu\u1ea7n \u0111\u1ea3o Marshall<\/option><option value='SB' >Qu\u1ea7n \u0111\u1ea3o Solomon<\/option><option value='TC' >Qu\u1ea7n \u0111\u1ea3o Turks v\u00e0 Caicos<\/option><option value='VG' >Qu\u1ea7n \u0111\u1ea3o Virgin thu\u1ed9c Anh<\/option><option value='VI' >Qu\u1ea7n \u0111\u1ea3o Virgin thu\u1ed9c Hoa K\u1ef3 (M\u1ef9)<\/option><option value='RO' >Romania<\/option><option value='RW' >Rwanda<\/option><option value='RE' >R\u00e9union<\/option><option value='BL' >Saint Barth\u00e9lemy<\/option><option value='SH' >Saint Helena<\/option><option value='KN' >Saint Kitts v\u00e0 Nevis<\/option><option value='LC' >Saint Lucia<\/option><option value='MF' >Saint Martin (thu\u1ed9c Ph\u00e1p)<\/option><option value='PM' >Saint Pierre v\u00e0 Miquelon<\/option><option value='VC' >Saint Vincent v\u00e0 Grenadines<\/option><option value='WS' >Samoa<\/option><option value='AS' >Samoa thu\u1ed9c M\u1ef9<\/option><option value='SM' >San Marino<\/option><option value='ST' >Sao Tome v\u00e0 Principe<\/option><option value='SN' >Senegal<\/option><option value='RS' >Serbia<\/option><option value='SC' >Seychelles<\/option><option value='SL' >Sierra Leone<\/option><option value='SG' >Singapore<\/option><option value='SX' >Sint Maarten (thu\u1ed9c H\u00e0 Lan)<\/option><option value='SK' >Slovakia<\/option><option value='SI' >Slovenia<\/option><option value='SO' >Somalia<\/option><option value='LK' >Sri Lanka<\/option><option value='SD' >Sudan<\/option><option value='SR' >Suriname<\/option><option value='SJ' >Svalbard v\u00e0 Jan Mayen<\/option><option value='SY' >Syria<\/option><option value='CY' >S\u00edp<\/option><option value='TJ' >Tajikistan<\/option><option value='TZ' >Tanzania<\/option><option value='TH' >Th\u00e1i Lan<\/option><option value='TR' >Th\u1ed5 Nh\u0129 K\u1ef3<\/option><option value='CH' >Th\u1ee5y S\u0129<\/option><option value='SE' >Th\u1ee5y \u0110i\u1ec3n<\/option><option value='TG' >Togo<\/option><option value='TK' >Tokelau<\/option><option value='TO' >Tonga<\/option><option value='TT' >Trinidad v\u00e0 Tobago<\/option><option value='KP' >Tri\u1ec1u Ti\u00ean<\/option><option value='CN' >Trung Qu\u1ed1c<\/option><option value='TN' >Tunisia<\/option><option value='TM' >Turkmenistan<\/option><option value='TV' >Tuvalu<\/option><option value='ES' >T\u00e2y Ban Nha<\/option><option value='EH' >T\u00e2y Sahara<\/option><option value='UG' >Uganda<\/option><option value='UA' >Ukraina<\/option><option value='UY' >Uruguay<\/option><option value='UZ' >Uzbekistan<\/option><option value='VU' >Vanuatu<\/option><option value='VA' >Vatican<\/option><option value='VE' >Venezuela<\/option><option value='VN' >Vi\u1ec7t Nam<\/option><option value='GB' >V\u01b0\u01a1ng qu\u1ed1c Anh (Anh)<\/option><option value='WF' >Wallis v\u00e0 Futuna<\/option><option value='YE' >Yemen<\/option><option value='ZM' >Zambia<\/option><option value='ZW' >Zimbabwe<\/option><option value='AT' >\u00c1o<\/option><option value='AU' >\u00dac<\/option><option value='IT' >\u00dd<\/option><option value='DK' >\u0110an M\u1ea1ch<\/option><option value='TW' >\u0110\u00e0i Loan<\/option><option value='TL' >\u0110\u00f4ng Timor<\/option><option 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