{"id":1442,"date":"2025-12-18T00:34:23","date_gmt":"2025-12-17T17:34:23","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/co-cq-la-gi-huong-dan-doc-hieu-va-xac-thuc-bo-chung-tu\/"},"modified":"2025-12-18T00:34:23","modified_gmt":"2025-12-17T17:34:23","slug":"co-cq-la-gi-huong-dan-doc-hieu-va-xac-thuc-bo-chung-tu","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/co-cq-la-gi-huong-dan-doc-hieu-va-xac-thuc-bo-chung-tu\/","title":{"rendered":"CO, CQ l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn \u0111\u1ecdc hi\u1ec3u v\u00e0 x\u00e1c th\u1ef1c b\u1ed9 ch\u1ee9ng t\u1eeb"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-co-la-gi-vai-tro-trong-giao-dich-inox\">CO l\u00e0 g\u00ec? Vai tr\u00f2 trong giao d\u1ecbch inox<\/a><\/li>\n<li><a href=\"#toc-1-cq-la-gi-tai-lieu-nao-moi-la-cq-dung-nghia-trong-n\">CQ l\u00e0 g\u00ec? T\u00e0i li\u1ec7u n\u00e0o m\u1edbi l\u00e0 \u201cCQ \u0111\u00fang ngh\u0129a\u201d trong ng\u00e0nh inox<\/a><\/li>\n<li><a href=\"#toc-2-cach-doc-hieu-co-cho-san-pham-inox\">C\u00e1ch \u0111\u1ecdc hi\u1ec3u CO cho s\u1ea3n ph\u1ea9m inox<\/a><\/li>\n<li><a href=\"#toc-3-cach-doc-hieu-cqmtc-cho-inox-theo-en-10204\">C\u00e1ch \u0111\u1ecdc hi\u1ec3u CQ\/MTC cho inox theo EN 10204<\/a><\/li>\n<li><a href=\"#toc-4-quy-trinh-10-buoc-xac-thuc-bo-cocq-cho-inox\">Quy tr\u00ecnh 10 b\u01b0\u1edbc x\u00e1c th\u1ef1c b\u1ed9 CO\/CQ cho inox<\/a><\/li>\n<li><a href=\"#toc-5-dau-hieu-nhan-biet-cocq-gia-hoac-sai-pham-thuong-g\">D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft CO\/CQ gi\u1ea3 ho\u1eb7c sai ph\u1ea1m th\u01b0\u1eddng g\u1eb7p<\/a><\/li>\n<li><a href=\"#toc-6-so-sanh-nhanh-co-va-cq-dung-de-lam-gi\">So s\u00e1nh nhanh: CO v\u00e0 CQ \u2013 d\u00f9ng \u0111\u1ec3 l\u00e0m g\u00ec?<\/a><\/li>\n<li><a href=\"#toc-7-cau-hoi-thuong-gap\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/a><\/li>\n<li><a href=\"#toc-8-tai-lieu-tham-khao\">T\u00e0i li\u1ec7u tham kh\u1ea3o<\/a><\/li>\n<li><a href=\"#toc-9-ket-luan-khuyen-nghi\">K\u1ebft lu\u1eadn &#038; khuy\u1ebfn ngh\u1ecb<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Trong mua b\u00e1n inox, CO v\u00e0 CQ l\u00e0 \u201cb\u1ed9 \u0111\u00f4i\u201d ch\u1ee9ng t\u1eeb quan tr\u1ecdng \u0111\u1ec3 ch\u1ee9ng minh xu\u1ea5t x\u1ee9 v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u. \u0110\u00e2y l\u00e0 m\u1ea3nh gh\u00e9p th\u1ef1c thi song song v\u1edbi ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt nh\u01b0 ASTM, JIS trong h\u1ec7 th\u1ed1ng \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng inox. B\u00e0i vi\u1ebft n\u00e0y gi\u1ea3i th\u00edch r\u00f5 CO, CQ l\u00e0 g\u00ec; c\u00e1ch \u0111\u1ecdc \u0111\u00fang; quy tr\u00ecnh ki\u1ec3m tra t\u00ednh h\u1ee3p l\u1ec7; v\u00e0 nh\u1eefng d\u1ea5u hi\u1ec7u gi\u1ea3 m\u1ea1o th\u01b0\u1eddng g\u1eb7p \u0111\u1ec3 b\u1ea1n ra quy\u1ebft \u0111\u1ecbnh mua h\u00e0ng t\u1ef1 tin.<\/p>\n<h2 id=\"toc-0-co-la-gi-vai-tro-trong-giao-dich-inox\">CO l\u00e0 g\u00ec? Vai tr\u00f2 trong giao d\u1ecbch inox<\/h2>\n<p>CO (Certificate of Origin) l\u00e0 Gi\u1ea5y ch\u1ee9ng nh\u1eadn xu\u1ea5t x\u1ee9, do c\u01a1 quan c\u00f3 th\u1ea9m quy\u1ec1n c\u1ee7a n\u01b0\u1edbc xu\u1ea5t kh\u1ea9u c\u1ea5p, x\u00e1c nh\u1eadn h\u00e0ng h\u00f3a c\u00f3 xu\u1ea5t x\u1ee9 t\u1ea1i m\u1ed9t qu\u1ed1c gia\/v\u00f9ng l\u00e3nh th\u1ed5 nh\u1ea5t \u0111\u1ecbnh. V\u1edbi inox nh\u1eadp kh\u1ea9u, CO quy\u1ebft \u0111\u1ecbnh:<br \/>\n&#8211; T\u00ednh minh b\u1ea1ch ngu\u1ed3n g\u1ed1c, h\u1ed7 tr\u1ee3 truy xu\u1ea5t tr\u00e1ch nhi\u1ec7m c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t.<br \/>\n&#8211; Kh\u1ea3 n\u0103ng h\u01b0\u1edfng \u01b0u \u0111\u00e3i thu\u1ebf quan theo FTA (v\u00ed d\u1ee5 Form E \u2013 ASEAN\u2013Trung Qu\u1ed1c, Form AK \u2013 ASEAN\u2013H\u00e0n Qu\u1ed1c, Form D \u2013 n\u1ed9i kh\u1ed1i ASEAN\u2026).<br \/>\n&#8211; S\u1ef1 ph\u00f9 h\u1ee3p h\u1ed3 s\u01a1 ph\u00e1p l\u00fd khi th\u00f4ng quan v\u00e0 nghi\u1ec7m thu d\u1ef1 \u00e1n.<\/p>\n<p>M\u1ed9t CO h\u1ee3p l\u1ec7 th\u01b0\u1eddng ch\u1ee9a: s\u1ed1 tham chi\u1ebfu; lo\u1ea1i form; c\u01a1 quan c\u1ea5p; ng\u01b0\u1eddi xu\u1ea5t kh\u1ea9u \u2013 ng\u01b0\u1eddi nh\u1eadp kh\u1ea9u; m\u00f4 t\u1ea3 h\u00e0ng h\u00f3a (grade, ti\u00eau chu\u1ea9n, k\u00edch th\u01b0\u1edbc); m\u00e3 HS; s\u1ed1 l\u01b0\u1ee3ng\/kh\u1ed1i l\u01b0\u1ee3ng; s\u1ed1 h\u00f3a \u0111\u01a1n; ph\u01b0\u01a1ng th\u1ee9c v\u1eadn t\u1ea3i; ng\u00e0y c\u1ea5p; ch\u1eef k\u00fd v\u00e0 d\u1ea5u.<\/p>\n<h2 id=\"toc-1-cq-la-gi-tai-lieu-nao-moi-la-cq-dung-nghia-trong-n\">CQ l\u00e0 g\u00ec? T\u00e0i li\u1ec7u n\u00e0o m\u1edbi l\u00e0 \u201cCQ \u0111\u00fang ngh\u0129a\u201d trong ng\u00e0nh inox<\/h2>\n<p>T\u1ea1i Vi\u1ec7t Nam, \u201cCQ\u201d th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Gi\u1ea5y ch\u1ee9ng nh\u1eadn ch\u1ea5t l\u01b0\u1ee3ng. V\u1ec1 th\u1ef1c ch\u1ea5t trong ng\u00e0nh th\u00e9p\/inox, t\u00e0i li\u1ec7u c\u1ed1t l\u00f5i ph\u1ea3i l\u00e0:<br \/>\n&#8211; Mill Test Certificate (MTC) ho\u1eb7c Material Test Certificate theo EN 10204 lo\u1ea1i 3.1 ho\u1eb7c 3.2.<br \/>\n  &#8211; 3.1: do b\u1ed9 ph\u1eadn ki\u1ec3m \u0111\u1ecbnh \u0111\u1ed9c l\u1eadp c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t x\u00e1c nh\u1eadn k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m l\u00f4\/heat.<br \/>\n  &#8211; 3.2: do \u0111\u1ea1i di\u1ec7n ki\u1ec3m \u0111\u1ecbnh \u0111\u1ed9c l\u1eadp (b\u00ean th\u1ee9 ba) v\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ed3ng x\u00e1c nh\u1eadn.<br \/>\n&#8211; MTC hi\u1ec3n th\u1ecb \u0111\u1ea7y \u0111\u1ee7: t\u00ean nh\u00e0 s\u1ea3n xu\u1ea5t (mill), ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng (ASTM A240\/A276\/A312, JIS G4304\/G4305\/G3459\u2026), s\u1ed1 heat, th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc, c\u01a1 t\u00ednh, k\u1ebft qu\u1ea3 th\u1eed (NDT, hydrotest), k\u00edch th\u01b0\u1edbc \u2013 l\u00f4 h\u00e0ng \u2013 ng\u00e0y ph\u00e1t h\u00e0nh \u2013 ch\u1eef k\u00fd.<\/p>\n<p>L\u01b0u \u00fd: \u201cCQ do nh\u00e0 b\u00e1n h\u00e0ng t\u1ef1 in\u201d kh\u00f4ng c\u00f3 s\u1ed1 heat v\u00e0 k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m kh\u00f4ng thay th\u1ebf \u0111\u01b0\u1ee3c MTC 3.1\/3.2.<\/p>\n<h2 id=\"toc-2-cach-doc-hieu-co-cho-san-pham-inox\">C\u00e1ch \u0111\u1ecdc hi\u1ec3u CO cho s\u1ea3n ph\u1ea9m inox<\/h2>\n<h3>1) Ki\u1ec3m tra c\u01a1 quan c\u1ea5p v\u00e0 lo\u1ea1i form<\/h3>\n<p>&#8211; C\u01a1 quan c\u1ea5p ph\u1ea3i thu\u1ed9c danh s\u00e1ch c\u01a1 quan c\u00f3 th\u1ea9m quy\u1ec1n c\u1ee7a n\u01b0\u1edbc xu\u1ea5t kh\u1ea9u (v\u00ed d\u1ee5: c\u01a1 quan \u0111\u01b0\u1ee3c \u1ee7y quy\u1ec1n theo FTA). T\u1ea1i Vi\u1ec7t Nam, CO do h\u1ec7 th\u1ed1ng eCOSys c\u1ee7a B\u1ed9 C\u00f4ng Th\u01b0\u01a1ng v\u00e0\/ho\u1eb7c VCCI c\u1ea5p.<br \/>\n&#8211; \u0110\u00fang lo\u1ea1i form \u01b0u \u0111\u00e3i \u00e1p d\u1ee5ng cho tuy\u1ebfn th\u01b0\u01a1ng m\u1ea1i (Form E, AK, D\u2026). N\u1ebfu kh\u00f4ng c\u00f3 \u01b0u \u0111\u00e3i, c\u00f3 th\u1ec3 l\u00e0 CO kh\u00f4ng \u01b0u \u0111\u00e3i.<\/p>\n<h3>2) \u0110\u1ed1i chi\u1ebfu th\u00f4ng tin h\u00e0ng h\u00f3a<\/h3>\n<p>&#8211; T\u00ean h\u00e0ng, m\u00e1c th\u00e9p (201\/304\/304L\/316\/316L\/430\u2026), ti\u00eau chu\u1ea9n (ASTM\/JIS), k\u00edch th\u01b0\u1edbc \u2013 quy c\u00e1ch kh\u1edbp v\u1edbi h\u1ee3p \u0111\u1ed3ng, h\u00f3a \u0111\u01a1n v\u00e0 packing list.<br \/>\n&#8211; M\u00e3 HS ph\u00f9 h\u1ee3p nh\u00f3m s\u1ea3n ph\u1ea9m: 72.xx (th\u00e9p kh\u00f4ng g\u1ec9 d\u1ea1ng t\u1ea5m\/cu\u1ed9n\/thanh), 73.xx (\u1ed1ng, ph\u1ee5 ki\u1ec7n); tham kh\u1ea3o bi\u1ec3u thu\u1ebf hi\u1ec7n h\u00e0nh \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u00fang d\u00f2ng h\u00e0ng.<\/p>\n<h3>3) Ki\u1ec3m k\u1ef9 c\u00e1c tr\u01b0\u1eddng d\u1eef li\u1ec7u quan tr\u1ecdng<\/h3>\n<p>&#8211; S\u1ed1 l\u01b0\u1ee3ng\/kh\u1ed1i l\u01b0\u1ee3ng net\/gross kh\u1edbp B\/L, packing list.<br \/>\n&#8211; S\u1ed1 h\u00f3a \u0111\u01a1n th\u01b0\u01a1ng m\u1ea1i, ng\u00e0y ph\u00e1t h\u00e0nh v\u00e0 ng\u00e0y c\u1ea5p CO h\u1ee3p l\u00fd v\u1edbi l\u1ecbch v\u1eadn chuy\u1ec3n.<br \/>\n&#8211; D\u1ea5u, ch\u1eef k\u00fd \u201cwet ink\u201d ho\u1eb7c tem s\u1ed1\/QR (n\u1ebfu CO \u0111i\u1ec7n t\u1eed). Nhi\u1ec1u CO hi\u1ec7n c\u00f3 m\u00e3 QR ho\u1eb7c s\u1ed1 tham chi\u1ebfu \u0111\u1ec3 tra c\u1ee9u tr\u00ean c\u1ed5ng c\u1ee7a c\u01a1 quan c\u1ea5p.<\/p>\n<h3>4) X\u00e1c minh t\u00ednh h\u1ee3p l\u1ec7<\/h3>\n<p>&#8211; Tra c\u1ee9u s\u1ed1 CO tr\u00ean c\u1ed5ng \u0111i\u1ec7n t\u1eed c\u1ee7a c\u01a1 quan c\u1ea5p ho\u1eb7c li\u00ean h\u1ec7 tr\u1ef1c ti\u1ebfp \u0111\u1ec3 x\u00e1c nh\u1eadn.<br \/>\n&#8211; Ki\u1ec3m tra quy t\u1eafc xu\u1ea5t x\u1ee9 ghi tr\u00ean CO c\u00f3 ph\u00f9 h\u1ee3p FTA (v\u00ed d\u1ee5 RVC, CTH, WO).<br \/>\n&#8211; V\u1edbi CO \u01b0u \u0111\u00e3i, \u0111\u1ed1i chi\u1ebfu th\u00eam ghi ch\u00fa\/remark v\u1ec1 ti\u00eau ch\u00ed xu\u1ea5t x\u1ee9; n\u1ebfu thi\u1ebfu, y\u00eau c\u1ea7u b\u1ea3n ch\u1ec9nh s\u1eeda.<\/p>\n<h2 id=\"toc-3-cach-doc-hieu-cqmtc-cho-inox-theo-en-10204\">C\u00e1ch \u0111\u1ecdc hi\u1ec3u CQ\/MTC cho inox theo EN 10204<\/h2>\n<h3>1) C\u00e1c tr\u01b0\u1eddng b\u1eaft bu\u1ed9c tr\u00ean MTC<\/h3>\n<p>&#8211; Nh\u00e0 s\u1ea3n xu\u1ea5t (mill) v\u00e0 \u0111\u1ecba ch\u1ec9 nh\u00e0 m\u00e1y.<br \/>\n&#8211; Ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng: ASTM A240 (t\u1ea5m\/cu\u1ed9n), ASTM A276 (thanh), ASTM A312 (\u1ed1ng h\u00e0n\/seamless), JIS G4304\/G4305\/G3459\u2026<br \/>\n&#8211; S\u1ed1 heat\/lot, s\u1ed1 \u0111\u01a1n h\u00e0ng, quy c\u00e1ch s\u1ea3n ph\u1ea9m (\u0111\u1ed9 d\u00e0y, kh\u1ed5, b\u1ec1 m\u1eb7t 2B\/BA\/No.1\u2026, m\u00e1c th\u00e9p).<br \/>\n&#8211; Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc (C, Si, Mn, P, S, Cr, Ni, Mo, N, c\u00e1c nguy\u00ean t\u1ed1 vi l\u01b0\u1ee3ng).<br \/>\n&#8211; C\u01a1 t\u00ednh: gi\u1edbi h\u1ea1n ch\u1ea3y (YS), b\u1ec1n k\u00e9o (UTS), \u0111\u1ed9 gi\u00e3n d\u00e0i (%El), \u0111\u1ed9 c\u1ee9ng (HB\/HV) khi \u00e1p d\u1ee5ng.<br \/>\n&#8211; Th\u1eed nghi\u1ec7m b\u1ed5 sung: ki\u1ec3m tra b\u1ec1 m\u1eb7t, si\u00eau \u00e2m\/eddy current, hydrotest (\u0111\u1eb7c bi\u1ec7t v\u1edbi \u1ed1ng), \u0111\u1ed9 ph\u1eb3ng\/\u0111\u1ed9 d\u00e0y theo ti\u00eau chu\u1ea9n.<br \/>\n&#8211; Ch\u1eef k\u00fd, con d\u1ea5u, ng\u00e0y ph\u00e1t h\u00e0nh; ph\u00e2n lo\u1ea1i ch\u1ee9ng ch\u1ec9 3.1 ho\u1eb7c 3.2.<\/p>\n<h3>2) \u0110\u1ed1i chi\u1ebfu nhanh th\u00e0nh ph\u1ea7n \u2013 c\u01a1 t\u00ednh ph\u1ed5 bi\u1ebfn<\/h3>\n<p>V\u00ed d\u1ee5 ng\u01b0\u1ee1ng theo ASTM:<br \/>\n&#8211; 304 (ASTM A240): C \u2264 0.08%; Cr 18.0\u201320.0%; Ni 8.0\u201310.5%; Mn \u2264 2.0%; Si \u2264 1.0%; P \u2264 0.045%; S \u2264 0.030%; N \u2264 0.10%. C\u01a1 t\u00ednh (t\u1ea5m): UTS \u2265 515 MPa; YS \u2265 205 MPa; \u0111\u1ed9 gi\u00e3n d\u00e0i \u2265 40%.<br \/>\n&#8211; 304L: nh\u01b0 304 nh\u01b0ng C \u2264 0.03%.<br \/>\n&#8211; 316L (ASTM A240): C \u2264 0.03%; Cr 16.0\u201318.0%; Ni 10.0\u201314.0%; Mo 2.0\u20133.0%; c\u00e1c t\u1ea1p ch\u1ea5t P, S t\u01b0\u01a1ng t\u1ef1; c\u01a1 t\u00ednh \u0111i\u1ec3n h\u00ecnh UTS \u2265 485 MPa; YS \u2265 170 MPa; \u0111\u1ed9 gi\u00e3n d\u00e0i \u2265 40%.<br \/>\nGhi ch\u00fa: ti\u00eau ch\u00ed c\u00f3 th\u1ec3 thay \u0111\u1ed5i theo s\u1ea3n ph\u1ea9m (t\u1ea5m\/thanh\/\u1ed1ng) v\u00e0 ti\u00eau chu\u1ea9n c\u1ee5 th\u1ec3, lu\u00f4n \u0111\u1ed1i chi\u1ebfu tr\u1ef1c ti\u1ebfp ti\u00eau chu\u1ea9n ghi tr\u00ean MTC.<\/p>\n<h3>3) Li\u00ean k\u1ebft s\u1ed1 heat v\u1edbi h\u00e0ng h\u00f3a th\u1ef1c t\u1ebf<\/h3>\n<p>&#8211; S\u1ed1 heat ph\u1ea3i xu\u1ea5t hi\u1ec7n \u0111\u1ed3ng nh\u1ea5t tr\u00ean: MTC, nh\u00e3n b\u00f3\/tem cu\u1ed9n, d\u1ea5u kh\u1eafc tr\u00ean s\u1ea3n ph\u1ea9m (\u0111\u1eb7c bi\u1ec7t v\u1edbi \u1ed1ng\/thanh), packing list.<br \/>\n&#8211; Ch\u1ee5p \u1ea3nh nh\u00e3n-b\u00f3 k\u00e8m s\u1ed1 heat, k\u00edch th\u01b0\u1edbc, m\u00e1c v\u00e0 \u0111\u1ed1i chi\u1ebfu v\u1edbi MTC ngay khi nh\u1eadn h\u00e0ng.<\/p>\n<h2 id=\"toc-4-quy-trinh-10-buoc-xac-thuc-bo-cocq-cho-inox\">Quy tr\u00ecnh 10 b\u01b0\u1edbc x\u00e1c th\u1ef1c b\u1ed9 CO\/CQ cho inox<\/h2>\n<p>1) Thu th\u1eadp tr\u1ecdn b\u1ed9: H\u1ee3p \u0111\u1ed3ng, H\u00f3a \u0111\u01a1n, Packing list, B\/L\/AWB, CO, MTC 3.1\/3.2, \u1ea3nh nh\u00e3n-b\u00f3.<br \/>\n2) Ki\u1ec3m CO: c\u01a1 quan c\u1ea5p, lo\u1ea1i form, ch\u1eef k\u00fd\/d\u1ea5u, m\u00e3 HS, ti\u00eau ch\u00ed xu\u1ea5t x\u1ee9, ng\u00e0y th\u00e1ng.<br \/>\n3) Tra c\u1ee9u CO tr\u00ean c\u1ed5ng \u0111i\u1ec7n t\u1eed ho\u1eb7c email c\u01a1 quan c\u1ea5p \u0111\u1ec3 x\u00e1c minh s\u1ed1 tham chi\u1ebfu.<br \/>\n4) Ki\u1ec3m MTC: nh\u00e0 s\u1ea3n xu\u1ea5t, ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng, s\u1ed1 heat, quy c\u00e1ch.<br \/>\n5) \u0110\u1ed1i chi\u1ebfu th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc \u2013 c\u01a1 t\u00ednh v\u1edbi ti\u00eau chu\u1ea9n (ASTM\/JIS) ghi tr\u00ean MTC.<br \/>\n6) Ki\u1ec3m c\u00e1c th\u1eed nghi\u1ec7m b\u1eaft bu\u1ed9c theo ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m (v\u00ed d\u1ee5 A312 y\u00eau c\u1ea7u hydrotest\/eddy current cho \u1ed1ng).<br \/>\n7) So kh\u1edbp s\u1ed1 heat tr\u00ean MTC v\u1edbi nh\u00e3n-b\u00f3 v\u00e0 d\u1ea5u tr\u00ean s\u1ea3n ph\u1ea9m.<br \/>\n8) So kh\u1edbp s\u1ed1 l\u01b0\u1ee3ng\/kh\u1ed1i l\u01b0\u1ee3ng gi\u1eefa CO, packing list v\u00e0 B\/L (sai l\u1ec7ch \u0111\u00e1ng k\u1ec3 l\u00e0 c\u1ea3nh b\u00e1o).<br \/>\n9) N\u1ebfu nghi ng\u1edd, li\u00ean h\u1ec7 tr\u1ef1c ti\u1ebfp nh\u00e0 s\u1ea3n xu\u1ea5t (theo email\/website tr\u00ean MTC), g\u1eedi s\u1ed1 heat \u0111\u1ec3 x\u00e1c minh.<br \/>\n10) L\u01b0u to\u00e0n b\u1ed9 b\u1eb1ng ch\u1ee9ng x\u00e1c minh (\u1ea3nh ch\u1ee5p, email h\u1ed3i \u0111\u00e1p, trang tra c\u1ee9u) cho h\u1ed3 s\u01a1 ki\u1ec3m to\u00e1n v\u00e0 nghi\u1ec7m thu.<\/p>\n<h2 id=\"toc-5-dau-hieu-nhan-biet-cocq-gia-hoac-sai-pham-thuong-g\">D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft CO\/CQ gi\u1ea3 ho\u1eb7c sai ph\u1ea1m th\u01b0\u1eddng g\u1eb7p<\/h2>\n<p>&#8211; CO in m\u1edd, kh\u00f4ng c\u00f3 s\u1ed1 tra c\u1ee9u\/QR (trong khi c\u01a1 quan c\u1ea5p \u0111\u00e3 \u00e1p d\u1ee5ng \u0111i\u1ec7n t\u1eed), l\u1ed7i ch\u00ednh t\u1ea3 t\u00ean c\u01a1 quan.<br \/>\n&#8211; M\u00e3 HS tr\u00ean CO kh\u00f4ng logic v\u1edbi m\u00f4 t\u1ea3 h\u00e0ng; m\u00f4 t\u1ea3 qu\u00e1 chung chung (ch\u1ec9 ghi \u201cstainless steel\u201d kh\u00f4ng ghi m\u00e1c\/ti\u00eau chu\u1ea9n).<br \/>\n&#8211; CO c\u1ea5p sau ng\u00e0y t\u00e0u ch\u1ea1y qu\u00e1 d\u00e0i ho\u1eb7c ghi sai s\u1ed1 h\u00f3a \u0111\u01a1n; thay \u0111\u1ed5i tay vi\u1ebft.<br \/>\n&#8211; \u201cCQ\u201d d\u1ea1ng m\u1eabu chung c\u1ee7a ng\u01b0\u1eddi b\u00e1n, kh\u00f4ng c\u00f3 s\u1ed1 heat, kh\u00f4ng c\u00f3 th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc\/c\u01a1 t\u00ednh, kh\u00f4ng ghi ti\u00eau chu\u1ea9n.<br \/>\n&#8211; MTC li\u1ec7t k\u00ea gi\u00e1 tr\u1ecb ph\u00e2n t\u00edch \u201c\u0111\u1eb9p tuy\u1ec7t \u0111\u1ed1i\u201d (kh\u00f4ng c\u00f3 s\u1ed1 th\u1eadp ph\u00e2n, tr\u00f9ng nhau gi\u1eefa nhi\u1ec1u l\u00f4), d\u1ea5u\/ ch\u1eef k\u00fd scan l\u1eb7p l\u1ea1i.<br \/>\n&#8211; S\u1ed1 heat tr\u00ean MTC kh\u00f4ng tr\u00f9ng nh\u00e3n-b\u00f3; ho\u1eb7c c\u00f9ng m\u1ed9t s\u1ed1 heat xu\u1ea5t hi\u1ec7n tr\u00ean nhi\u1ec1u m\u00e1c th\u00e9p kh\u00e1c nhau.<br \/>\n&#8211; Nh\u00e0 s\u1ea3n xu\u1ea5t tr\u00ean MTC kh\u00f4ng t\u1ed3n t\u1ea1i\/kh\u00f4ng c\u00f3 website ho\u1eb7c email tr\u1ea3 l\u1eddi ph\u1ee7 nh\u1eadn.<\/p>\n<h2 id=\"toc-6-so-sanh-nhanh-co-va-cq-dung-de-lam-gi\">So s\u00e1nh nhanh: CO v\u00e0 CQ \u2013 d\u00f9ng \u0111\u1ec3 l\u00e0m g\u00ec?<\/h2>\n<p>&#8211; CO: Ch\u1ee9ng minh xu\u1ea5t x\u1ee9; ph\u1ee5c v\u1ee5 \u01b0u \u0111\u00e3i thu\u1ebf, ph\u00e1p l\u00fd th\u00f4ng quan, truy xu\u1ea5t ngu\u1ed3n g\u1ed1c. Kh\u00f4ng ch\u1ee9ng minh ch\u1ea5t l\u01b0\u1ee3ng k\u1ef9 thu\u1eadt.<br \/>\n&#8211; CQ\/MTC: Ch\u1ee9ng minh ch\u1ea5t l\u01b0\u1ee3ng theo ti\u00eau chu\u1ea9n (ASTM\/JIS, EN 10204 3.1\/3.2). Kh\u00f4ng kh\u1eb3ng \u0111\u1ecbnh \u0111\u01b0\u1ee3c xu\u1ea5t x\u1ee9 \u0111\u1ec3 h\u01b0\u1edfng \u01b0u \u0111\u00e3i thu\u1ebf.<br \/>\n&#8211; Hai ch\u1ee9ng t\u1eeb b\u1ed5 tr\u1ee3 l\u1eabn nhau v\u00e0 \u0111\u1ec1u c\u1ea7n thi\u1ebft trong mua s\u1eafm inox cho d\u1ef1 \u00e1n k\u1ef9 thu\u1eadt.<\/p>\n<h2 id=\"toc-7-cau-hoi-thuong-gap\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<p>&#8211; B\u1ea3n scan CO c\u00f3 d\u00f9ng \u0111\u01b0\u1ee3c? V\u1edbi \u01b0u \u0111\u00e3i thu\u1ebf, h\u1ea3i quan c\u00f3 quy \u0111\u1ecbnh ri\u00eang t\u1eebng FTA v\u1ec1 b\u1ea3n gi\u1ea5y\/b\u1ea3n \u0111i\u1ec7n t\u1eed; n\u00ean tu\u00e2n theo h\u01b0\u1edbng d\u1eabn c\u1ee7a c\u01a1 quan h\u1ea3i quan. \u0110\u1ec3 nghi\u1ec7m thu k\u1ef9 thu\u1eadt n\u1ed9i b\u1ed9, c\u00f3 th\u1ec3 d\u00f9ng b\u1ea3n scan k\u00e8m x\u00e1c minh s\u1ed1 tham chi\u1ebfu.<br \/>\n&#8211; M\u1ed9t CO cho nhi\u1ec1u chuy\u1ebfn? Th\u00f4ng th\u01b0\u1eddng m\u1ed7i l\u00f4\/h\u00f3a \u0111\u01a1n t\u01b0\u01a1ng \u1ee9ng m\u1ed9t CO. N\u1ebfu chia h\u00e0ng nhi\u1ec1u chuy\u1ebfn, c\u1ea7n CO ph\u00f9 h\u1ee3p t\u1eebng l\u00f4 theo th\u1ef1c t\u1ebf.<br \/>\n&#8211; Kh\u00f4ng c\u00f3 MTC 3.1 th\u00ec sao? Y\u00eau c\u1ea7u nh\u00e0 cung c\u1ea5p b\u1ed5 sung. N\u1ebfu ch\u1ec9 c\u00f3 \u201cCQ n\u1ed9i b\u1ed9\u201d kh\u00f4ng k\u00e8m heat v\u00e0 k\u1ebft qu\u1ea3 th\u1eed, r\u1ee7i ro ch\u1ea5t l\u01b0\u1ee3ng cao.<br \/>\n&#8211; L\u00e0m sao ki\u1ec3m tra s\u1ed1 heat tr\u00ean h\u00e0ng? Quan s\u00e1t tem\/nh\u00e3n b\u00f3 cu\u1ed9n, d\u1ea5u kh\u1eafc tr\u00ean \u1ed1ng\/thanh; y\u00eau c\u1ea7u ch\u1ee5p \u1ea3nh r\u00f5 s\u1ed1 heat ngay t\u1ea1i kho.<\/p>\n<h2 id=\"toc-8-tai-lieu-tham-khao\">T\u00e0i li\u1ec7u tham kh\u1ea3o<\/h2>\n<p>&#8211; EN 10204:2004 \u2013 Metallic products: Types of inspection documents (\u0111\u1ecbnh ngh\u0129a MTC 3.1\/3.2).<br \/>\n&#8211; ASTM A240\/A240M \u2013 Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip.<br \/>\n&#8211; ASTM A276 \u2013 Stainless Steel Bars and Shapes; ASTM A312 \u2013 Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes.<br \/>\n&#8211; JIS G4304\/G4305\/G3459 \u2013 Stainless steel standards c\u1ee7a Nh\u1eadt B\u1ea3n.<br \/>\n&#8211; B\u1ed9 C\u00f4ng Th\u01b0\u01a1ng Vi\u1ec7t Nam \u2013 H\u1ec7 th\u1ed1ng c\u1ea5p C\/O \u0111i\u1ec7n t\u1eed eCOSys v\u00e0 h\u01b0\u1edbng d\u1eabn quy t\u1eafc xu\u1ea5t x\u1ee9 theo c\u00e1c FTA.<br \/>\n&#8211; WTO \u2013 International rules of origin: khung kh\u00e1i ni\u1ec7m v\u1ec1 xu\u1ea5t x\u1ee9 h\u00e0ng h\u00f3a.<\/p>\n<h2 id=\"toc-9-ket-luan-khuyen-nghi\">K\u1ebft lu\u1eadn &#038; khuy\u1ebfn ngh\u1ecb<\/h2>\n<p>&#8211; CO ch\u1ee9ng minh xu\u1ea5t x\u1ee9; CQ\/MTC ch\u1ee9ng minh ch\u1ea5t l\u01b0\u1ee3ng theo ti\u00eau chu\u1ea9n.<br \/>\n&#8211; Khi th\u1ea9m \u0111\u1ecbnh, lu\u00f4n y\u00eau c\u1ea7u MTC 3.1\/3.2 t\u1eeb nh\u00e0 s\u1ea3n xu\u1ea5t, \u0111\u1ed1i chi\u1ebfu ASTM\/JIS v\u00e0 li\u00ean k\u1ebft s\u1ed1 heat v\u1edbi h\u00e0ng th\u1ef1c t\u1ebf.<br \/>\n&#8211; X\u00e1c minh CO qua c\u01a1 quan c\u1ea5p v\u00e0 ki\u1ec3m tra s\u1ef1 nh\u1ea5t qu\u00e1n v\u1edbi h\u1ee3p \u0111\u1ed3ng \u2013 h\u00f3a \u0111\u01a1n \u2013 packing list \u2013 B\/L.<br \/>\n&#8211; C\u1ea3nh gi\u00e1c v\u1edbi \u201cCQ t\u1ef1 in\u201d, CO sai m\u00e3 HS, MTC kh\u00f4ng c\u00f3 heat ho\u1eb7c d\u1eef li\u1ec7u \u201c\u0111\u1eb9p b\u1ea5t th\u01b0\u1eddng\u201d.<\/p>\n<p>C\u1ea7n b\u1ed9 CO\/CQ chu\u1ea9n cho inox 201\/304\/304L\/316\/316L k\u00e8m t\u01b0 v\u1ea5n k\u1ef9 thu\u1eadt v\u00e0 b\u00e1o gi\u00e1 t\u1ed1t? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh. Hotline: 0343.417.281. Email: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Gi\u1ea3i th\u00edch CO\/CQ l\u00e0 g\u00ec v\u00e0 h\u01b0\u1edbng d\u1eabn \u0111\u1ecdc \u2013 ki\u1ec3m tra t\u00ednh h\u1ee3p l\u1ec7 cho inox: c\u00e1ch \u0111\u1ed1i chi\u1ebfu MTC 3.1\/3.2 v\u1edbi ASTM\/JIS, ki\u1ec3m tra ngu\u1ed3n g\u1ed1c v\u00e0 nh\u1eadn bi\u1ebft ch\u1ee9ng t\u1eeb gi\u1ea3.<\/p>\n","protected":false},"author":7,"featured_media":1072,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1442","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"acf":[],"_links":{"self":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1442","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/comments?post=1442"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1442\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1072"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1442"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1442"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1442"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}