{"id":38974,"date":"2026-11-09T08:35:47","date_gmt":"2026-11-09T08:35:47","guid":{"rendered":"https:\/\/dinghongtransformer.com\/?p=38974"},"modified":"2026-11-09T08:35:49","modified_gmt":"2026-11-09T08:35:49","slug":"prealisation-de-la-prequalification-des-fournisseurs-dequipements-electriques","status":"publish","type":"post","link":"https:\/\/dinghongtransformer.com\/fr\/blog\/case-studies\/electrical-equipment-supplier-prequalification\/","title":{"rendered":"Fournisseur d'\u00e9quipements \u00e9lectriques : pr\u00e9qualification : 10 documents que les acheteurs EPC doivent v\u00e9rifier"},"content":{"rendered":"<p class=\"wp-block-wd-paragraph wd-7b909842\">Selecting an electrical equipment supplier involves more than comparing prices. For EPC contractors, utilities, and distributors, incomplete supplier prequalification can cause rejected equipment, delayed commissioning, and unexpected costs.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-429587e5\">Whether sourcing <strong><a href=\"https:\/\/dinghongtransformer.com\/fr\/tag\/power-transformer\/\" data-type=\"post_tag\" data-id=\"112\"><em>power transformers<\/em><\/a>, <em><a href=\"https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/08\/Distribution-Transformers-MV-Network.png\" data-type=\"attachment\" data-id=\"38527\">distribution transformers<\/a><\/em>, or medium-voltage switchgear<\/strong>, buyers in <strong>Ukraine, Ethiopia, Vietnam, Thailand, Myanmar, Uzbekistan, Russia, and Nigeria<\/strong> should verify manufacturing capability, technical compliance, testing evidence, and project experience before issuing a purchase order.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_89 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table des mati\u00e8res<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/dinghongtransformer.com\/fr\/blog\/case-studies\/electrical-equipment-supplier-prequalification\/#1_Ten_Essential_Supplier_Prequalification_Documents\" >1. Ten Essential Supplier Prequalification Documents<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/dinghongtransformer.com\/fr\/blog\/case-studies\/electrical-equipment-supplier-prequalification\/#2_Verify_Technical_Ratings_and_Test_Evidence\" >2. Verify Technical Ratings and Test Evidence<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/dinghongtransformer.com\/fr\/blog\/case-studies\/electrical-equipment-supplier-prequalification\/#3_Real_Project_Reference_DHDL_Thailand_Industrial_Park\" >3. Real Project Reference: DHDL Thailand Industrial Park<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/dinghongtransformer.com\/fr\/blog\/case-studies\/electrical-equipment-supplier-prequalification\/#4_Country-Specific_Approval_Requirements\" >4. Country-Specific Approval Requirements<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/dinghongtransformer.com\/fr\/blog\/case-studies\/electrical-equipment-supplier-prequalification\/#5_Hidden_Risks_EPC_Buyers_Often_Miss\" >5. Hidden Risks EPC Buyers Often Miss<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/dinghongtransformer.com\/fr\/blog\/case-studies\/electrical-equipment-supplier-prequalification\/#6_EPC_Supplier_Prequalification_RFQ_Checklist\" >6. EPC Supplier Prequalification &amp; RFQ Checklist<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/dinghongtransformer.com\/fr\/blog\/case-studies\/electrical-equipment-supplier-prequalification\/#7_Request_Technical_Documents_from_DHDL\" >7. Request Technical Documents from DHDL<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/dinghongtransformer.com\/fr\/blog\/case-studies\/electrical-equipment-supplier-prequalification\/#FAQ\" >FAQ<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/dinghongtransformer.com\/fr\/blog\/case-studies\/electrical-equipment-supplier-prequalification\/#What_documents_are_required_for_electrical_supplier_prequalification\" >What documents are required for electrical supplier prequalification?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/dinghongtransformer.com\/fr\/blog\/case-studies\/electrical-equipment-supplier-prequalification\/#Are_ISO_certificates_enough_to_qualify_a_transformer_supplier\" >Are ISO certificates enough to qualify a transformer supplier?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/dinghongtransformer.com\/fr\/blog\/case-studies\/electrical-equipment-supplier-prequalification\/#How_many_project_references_should_EPC_buyers_request\" >How many project references should EPC buyers request?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/dinghongtransformer.com\/fr\/blog\/case-studies\/electrical-equipment-supplier-prequalification\/#Should_FAT_requirements_be_confirmed_before_ordering\" >Should FAT requirements be confirmed before ordering?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-wd-title title wd-0919162d\"><span class=\"ez-toc-section\" id=\"1_Ten_Essential_Supplier_Prequalification_Documents\"><\/span>1. Ten Essential Supplier Prequalification Documents<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-e39503aa\">A reliable <strong><a href=\"https:\/\/dinghongtransformer.com\/fr\/blog\/charging-energy-storage\/switchgear-rfq-checklist\/\" data-type=\"post\" data-id=\"38955\"><em>electrical equipment supplier prequalification checklist<\/em><\/a><\/strong> should include:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Document<\/th><th>What EPC Buyers Should Verify<\/th><\/tr><tr><td>Business Registration<\/td><td>Legal manufacturer, factory address, ownership<\/td><\/tr><tr><td>ISO Certificates<\/td><td>Validity, issuing body, certified factory and scope<\/td><\/tr><tr><td>Factory Profile<\/td><td>Production facilities, equipment, capacity<\/td><\/tr><tr><td>Product Datasheets<\/td><td>Voltage, current, capacity, insulation, losses<\/td><\/tr><tr><td>Type-Test Reports<\/td><td>Tested model, applicable standard, laboratory<\/td><\/tr><tr><td>Routine Test Procedures<\/td><td>Test scope, acceptance criteria, equipment<\/td><\/tr><tr><td>Project References<\/td><td>Similar ratings, customer, delivery and commissioning<\/td><\/tr><tr><td>Quality Control Plan<\/td><td>Incoming inspection, ITP, traceability<\/td><\/tr><tr><td>Warranty &amp; Support<\/td><td>Warranty terms, spare parts, service responsibilities<\/td><\/tr><tr><td>Compliance Matrix<\/td><td>IEC\/IEEE\/local requirements and deviations<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-cf64621f\"><strong>Important:<\/strong> An ISO 9001 certificate does not prove that a specific transformer or switchgear model has passed its required type tests.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-4b9c75c5\"><span class=\"ez-toc-section\" id=\"2_Verify_Technical_Ratings_and_Test_Evidence\"><\/span>2. Verify Technical Ratings and Test Evidence<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-4a24d92b\">Technical documents must match the equipment being offered.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Equipment<\/th><th>Critical Parameters to Check<\/th><\/tr><tr><td>Transformateur de distribution<\/td><td>11\/0.4kV, 500\u20132500kVA, vector group, impedance, losses<\/td><\/tr><tr><td>Transformateur de puissance<\/td><td>33\/11kV, MVA rating, cooling, insulation, tap range<\/td><\/tr><tr><td>MV Switchgear<\/td><td>12\/24\/36kV, 630\u20132000A, 20\u201331.5kA fault rating<\/td><\/tr><tr><td>Protection Equipment<\/td><td>CT\/VT ratios, relay functions, communication<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-1807bd04\"><em>Values are illustrative, not DHDL product guarantees.<\/em><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-7b747a0d\">For transformers, check applicable <strong>IEC 60076<\/strong> requirements. For medium-voltage switchgear, review the relevant <strong>IEC 62271<\/strong> series.<\/p>\n\n\n\n<div class=\"wp-block-wd-image wd-block-image wd-a9bef00d\"><img decoding=\"async\" width=\"1671\" height=\"941\" class=\"wp-image-38975 lazyload\" data-src=\"https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/11\/electrical-equipment-supplier-prequalification1.png\" alt=\"\" data-srcset=\"https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/11\/electrical-equipment-supplier-prequalification1.png 1671w, https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/11\/electrical-equipment-supplier-prequalification1-400x225.png 400w, https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/11\/electrical-equipment-supplier-prequalification1-1300x732.png 1300w, https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/11\/electrical-equipment-supplier-prequalification1-768x432.png 768w, https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/11\/electrical-equipment-supplier-prequalification1-1536x865.png 1536w, https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/11\/electrical-equipment-supplier-prequalification1-18x10.png 18w, https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/11\/electrical-equipment-supplier-prequalification1-430x242.png 430w, https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/11\/electrical-equipment-supplier-prequalification1-700x394.png 700w, https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/11\/electrical-equipment-supplier-prequalification1-150x84.png 150w\" data-sizes=\"(max-width: 1671px) 100vw, 1671px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1671px; --smush-placeholder-aspect-ratio: 1671\/941;\" \/><\/div>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-fdff11ae\">Buyers should request complete test reports identifying the tested equipment, applicable standard, results, and laboratory. Verify laboratory accreditation where required.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-90c327f2\"><span class=\"ez-toc-section\" id=\"3_Real_Project_Reference_DHDL_Thailand_Industrial_Park\"><\/span>3. Real Project Reference: DHDL <em><a href=\"https:\/\/dinghongtransformer.com\/fr\/project\/thailand-industrial-park-power-distribution-expansion-project\/\" data-type=\"page\" data-id=\"37307\">Thailand Industrial Park<\/a><\/em><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-90b9440c\">DHDL reports supplying an <strong>S-8000\/33 oil-immersed transformer<\/strong> for an industrial park expansion in eastern Thailand.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-1b8231b9\">Published project specifications include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Capacity: <strong>8,000kVA<\/strong><\/li>\n\n\n\n<li>Voltage: <strong>33\/0.416kV<\/strong><\/li>\n\n\n\n<li>Frequency: <strong>50Hz<\/strong><\/li>\n\n\n\n<li>Cooling: <strong>ONAN<\/strong><\/li>\n\n\n\n<li>Installation: <strong>Outdoor<\/strong><\/li>\n\n\n\n<li>Production and testing: <strong>38 days<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-cc8d37a5\">The project involved demanding delivery requirements and hot, humid operating conditions.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-2b9b5b38\">For similar EPC procurement, buyers should verify the manufacturer&#8217;s production schedule, factory testing arrangements, cooling design, and technical communication process.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-1b3602a2\">This is a documented transformer supply reference, not independent proof of qualification for every product or utility.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-452082ab\"><span class=\"ez-toc-section\" id=\"4_Country-Specific_Approval_Requirements\"><\/span>4. Country-Specific Approval Requirements<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-72a0ed9a\">Supplier approval requirements depend on the project owner, utility, equipment category, and installation location.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Target Market<\/th><th>Prequalification Priority<\/th><\/tr><tr><td>Ukraine<\/td><td>Utility acceptance, technical documentation, cold-weather suitability<\/td><\/tr><tr><td>\u00c9thiopie<\/td><td>Altitude, dust, project references, logistics<\/td><\/tr><tr><td>Vietnam<\/td><td>Local utility requirements, humidity, corrosion<\/td><\/tr><tr><td>Tha\u00eflande<\/td><td>Factory testing, heat performance, delivery schedule<\/td><\/tr><tr><td>Myanmar<\/td><td>Site access, maintenance support, transport<\/td><\/tr><tr><td>Ouzb\u00e9kistan<\/td><td>Temperature range, documentation, grid specifications<\/td><\/tr><tr><td>Russia<\/td><td>Applicable local conformity requirements, low-temperature design<\/td><\/tr><tr><td>Nigeria<\/td><td>Utility approval, test evidence, warranty and support<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-0e8941ac\">For example, a project in <strong>Nigeria<\/strong> may require utility-specific vendor acceptance, while an EPC project in <strong>\u00c9thiopie<\/strong> may prioritize altitude-related design verification.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-6b19d423\">Never assume IEC compliance alone guarantees local approval.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-b5d8a07a\"><span class=\"ez-toc-section\" id=\"5_Hidden_Risks_EPC_Buyers_Often_Miss\"><\/span>5. Hidden Risks EPC Buyers Often Miss<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-0866dc1b\"><strong>Factory mismatch:<\/strong> The company issuing the quotation may not be the actual manufacturer.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-b2f80288\"><strong>Unrelated test reports:<\/strong> Certificates may cover a different model, voltage class, or manufacturing facility.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ffa67d6f\"><strong>Unverified references:<\/strong> A project list without delivery evidence or commissioning status offers limited assurance.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-e5293f82\"><strong><em><a href=\"https:\/\/dinghongtransformer.com\/fr\/blog\/case-studies\/transformer-fat-vs-sat-testing-checklist\/\" data-type=\"post\" data-id=\"38910\">Incomplete FAT scope:<\/a><\/em><\/strong> Witness testing, travel expenses, retesting, and documentation may be excluded.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-80ab627f\"><strong>Unclear warranty:<\/strong> Spare parts, field service, and commissioning responsibilities may create additional costs.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-af31bddb\">Request a written deviation list and verify critical claims before commercial award.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-160b284c\"><span class=\"ez-toc-section\" id=\"6_EPC_Supplier_Prequalification_RFQ_Checklist\"><\/span>6. EPC Supplier Prequalification &amp; RFQ Checklist<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-a00667a0\">Before approving a supplier, request:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Manufacturer&#8217;s legal name and factory address<\/li>\n\n\n\n<li>Product type, model, quantity and destination<\/li>\n\n\n\n<li>Rated kVA\/MVA, voltage, frequency and insulation requirements<\/li>\n\n\n\n<li>Applicable IEC\/IEEE and local standards<\/li>\n\n\n\n<li>ISO certificates and relevant type-test reports<\/li>\n\n\n\n<li>Two comparable project references, where available<\/li>\n\n\n\n<li>Factory inspection and FAT requirements<\/li>\n\n\n\n<li>Technical drawings, SLD and compliance matrix<\/li>\n\n\n\n<li>Warranty, spare parts and commissioning support<\/li>\n\n\n\n<li>Delivery schedule, Incoterms and packaging requirements<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-eea4c632\">For <strong>Ukraine, Ethiopia, Vietnam, Thailand, Myanmar, Uzbekistan, Russia, and Nigeria<\/strong>, attach any utility-specific vendor approval requirements.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-ed26a9cb\"><span class=\"ez-toc-section\" id=\"7_Request_Technical_Documents_from_DHDL\"><\/span>7. Request Technical Documents from DHDL<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8d6853cc\">DHDL manufactures transformers, substations, and power distribution equipment for utility, industrial, and renewable energy applications.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-a86e879b\">EPC buyers can request project-specific technical information and clarify the availability of factory documents, test evidence, references, and inspection arrangements.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-277c0334\"><strong>Submit your project specifications, destination country, required standards, and document checklist.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-49355995\"><a href=\"https:\/\/dinghongtransformer.com\/fr\/contactez-nous\/\"><em><strong>Contact DHDL for Supplier Prequalification &amp; RFQ<\/strong><\/em><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-de03d298\"><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>FAQ<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-60294b12\"><span class=\"ez-toc-section\" id=\"What_documents_are_required_for_electrical_supplier_prequalification\"><\/span>What documents are required for electrical supplier prequalification?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-5759f374\">Business registration, factory details, ISO certificates, product datasheets, test reports, project references, quality plans, and warranty information.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-e89a0fff\"><span class=\"ez-toc-section\" id=\"Are_ISO_certificates_enough_to_qualify_a_transformer_supplier\"><\/span>Are ISO certificates enough to qualify a transformer supplier?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-1cc2c0b1\">No. Product-specific compliance, testing evidence, manufacturing capability, and project requirements must also be verified.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-f71c43ff\"><span class=\"ez-toc-section\" id=\"How_many_project_references_should_EPC_buyers_request\"><\/span>How many project references should EPC buyers request?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-39649e4d\">Two comparable references are a useful starting point, but the final requirement depends on the project tender.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-1082933f\"><span class=\"ez-toc-section\" id=\"Should_FAT_requirements_be_confirmed_before_ordering\"><\/span>Should FAT requirements be confirmed before ordering?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-299bbb57\">Yes. Define tests, witness arrangements, acceptance criteria, and required reports before contract award.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Verify electrical equipment suppliers with 10 essential documents, IEC test reports, ISO certificates, project references and an EPC RFQ checklist<\/p>","protected":false},"author":1,"featured_media":38976,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,71,72,70],"tags":[],"class_list":["post-38974","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-case-studies","category-inudustry-trends","category-product-insights"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Electrical Equipment Supplier Prequalification: 10 Documents EPC Buyers Must Verify - Dinghongtransformer<\/title>\n<meta name=\"description\" content=\"Verify electrical equipment suppliers with 10 essential documents, IEC test reports, ISO certificates, project references and an EPC RFQ checklist\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dinghongtransformer.com\/fr\/blog\/case-studies\/prealisation-de-la-prequalification-des-fournisseurs-dequipements-electriques\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Electrical Equipment Supplier Prequalification: 10 Documents EPC Buyers Must Verify - 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