{"id":7499,"date":"2020-12-10T08:06:12","date_gmt":"2020-12-10T00:06:12","guid":{"rendered":"https:\/\/xzfastener.com\/?p=7499"},"modified":"2026-06-24T08:08:07","modified_gmt":"2026-06-24T00:08:07","slug":"how-to-reduce-risk-when-sourcing-bolts-and-nuts-from-china","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/vi\/how-to-reduce-risk-when-sourcing-bolts-and-nuts-from-china\/","title":{"rendered":"C\u00e1ch gi\u1ea3m thi\u1ec3u r\u1ee7i ro khi t\u00ecm ngu\u1ed3n cung \u1ee9ng bu l\u00f4ng v\u00e0 \u0111ai \u1ed1c t\u1eeb Trung Qu\u1ed1c"},"content":{"rendered":"

T\u00ecm ngu\u1ed3n cung \u1ee9ng bu l\u00f4ng v\u00e0 \u0111ai \u1ed1c t\u1eeb Trung Qu\u1ed1c c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m chi ph\u00ed nh\u01b0ng kh\u00f4ng bao gi\u1edd \u0111\u01b0\u1ee3c coi \u0111\u00f3 l\u00e0 m\u1ed9t s\u1ef1 so s\u00e1nh gi\u00e1 \u0111\u01a1n gi\u1ea3n. Trong c\u00f4ng vi\u1ec7c bu\u1ed9c ch\u1eb7t h\u00e0ng ng\u00e0y, r\u1ee7i ro th\u1ef1c s\u1ef1 th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n sau khi \u0111\u1eb7t h\u00e0ng: sai lo\u1ea1i, l\u1edbp ph\u1ee7 kh\u00f4ng r\u00f5 r\u00e0ng, \u0111ai \u1ed1c kh\u00f4ng kh\u1edbp, thi\u1ebfu ch\u1ee9ng ch\u1ec9, \u0111\u00f3ng g\u00f3i k\u00e9m ho\u1eb7c ch\u1eadm tr\u1ec5 do th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7.<\/p>\n\n\n\n

H\u1ea7u h\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ng\u0103n ch\u1eb7n tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u s\u1ea3n xu\u1ea5t. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ki\u1ec3m so\u00e1t c\u00e1c chi ti\u1ebft k\u1ef9 thu\u1eadt, th\u00f4ng tin li\u00ean l\u1ea1c c\u1ee7a nh\u00e0 cung c\u1ea5p, y\u00eau c\u1ea7u ki\u1ec3m tra v\u00e0 ch\u1ee9ng t\u1eeb v\u1eadn chuy\u1ec3n ngay t\u1eeb \u0111\u1ea7u.<\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng bu\u1ed9c ch\u1eb7t c\u00f4ng nghi\u1ec7p th\u00f4ng th\u01b0\u1eddng, ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 xem x\u00e9t XZ Fastener's \u1ed1c v\u00edt ti\u00eau chu\u1ea9n<\/a> v\u00e0 \u1ed1c v\u00edt c\u01b0\u1eddng \u0111\u1ed9 cao<\/a> trang.<\/p>\n\n\n\n

1. B\u1eaft \u0111\u1ea7u v\u1edbi m\u1ed9t th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ho\u00e0n ch\u1ec9nh<\/h2>\n\n\n\n

T\u00ean s\u1ea3n ph\u1ea9m th\u00f4i l\u00e0 ch\u01b0a \u0111\u1ee7<\/h3>\n\n\n\n

Nhi\u1ec1u RFQ ch\u1ec9 \u0111i k\u00e8m v\u1edbi \u201cbu l\u00f4ng v\u00e0 \u0111ai \u1ed1c l\u1ee5c gi\u00e1c\u201d ho\u1eb7c \u201cb\u1ed9 M20 bu l\u00f4ng\u201d. \u0110i\u1ec1u \u0111\u00f3 l\u00e0 kh\u00f4ng \u0111\u1ee7 \u0111\u1ec3 t\u00ecm ngu\u1ed3n cung \u1ee9ng ch\u00ednh x\u00e1c. Nh\u00e0 cung c\u1ea5p c\u1ea7n c\u00f3 \u0111\u1ea7y \u0111\u1ee7 ti\u00eau chu\u1ea9n, k\u00edch th\u01b0\u1edbc, c\u1ea5p \u0111\u1ed9, l\u1edbp ph\u1ee7, s\u1ed1 l\u01b0\u1ee3ng v\u00e0 \u1ee9ng d\u1ee5ng.<\/p>\n\n\n\n

Chi ti\u1ebft b\u1eaft bu\u1ed9c<\/th>V\u00ed d\u1ee5<\/th><\/tr><\/thead>
Lo\u1ea1i s\u1ea3n ph\u1ea9m<\/td>Bu l\u00f4ng l\u1ee5c gi\u00e1c, bu l\u00f4ng l\u1ee5c gi\u00e1c n\u1eb7ng, bu l\u00f4ng \u0111inh t\u00e1n, \u0111ai \u1ed1c l\u1ee5c gi\u00e1c<\/td><\/tr>
Ti\u00eau chu\u1ea9n<\/td>DIN 931, DIN 933, ISO 4014, ASTM A193, ASTM A325<\/td><\/tr>
K\u00edch th\u01b0\u1edbc<\/td>M16 \u00d7 80, 3\/4″-10 UNC \u00d7 4″<\/td><\/tr>
L\u1edbp<\/td>8.8, 10.9, A2-70, B7, L\u1edbp 5<\/td><\/tr>
L\u1edbp ph\u1ee7<\/td>M\u1ea1 k\u1ebdm, HDG, oxit \u0111en, v\u1ea3y k\u1ebdm<\/td><\/tr>
Quantity<\/td>Mi\u1ebfng, b\u1ed9 ho\u1eb7c kil\u00f4gam<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

M\u1ed9t RFQ r\u00f5 r\u00e0ng s\u1ebd gi\u1ea3m b\u1edbt nh\u1eefng tr\u00edch d\u1eabn sai v\u00e0 tr\u00e1nh nh\u1eefng tranh ch\u1ea5p v\u1ec1 sau.<\/p>\n\n\n\n

2. X\u00e1c nh\u1eadn kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a bu l\u00f4ng v\u00e0 \u0111ai \u1ed1c<\/h2>\n\n\n\n

C\u00e1c b\u1ed9 ph\u1eadn ph\u00f9 h\u1ee3p ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t h\u1ec7 th\u1ed1ng<\/h3>\n\n\n\n

Bu l\u00f4ng v\u00e0 \u0111ai \u1ed1c kh\u00f4ng n\u00ean c\u00f3 ngu\u1ed3n g\u1ed1c \u0111\u1ed9c l\u1eadp tr\u1eeb khi t\u00ednh t\u01b0\u01a1ng th\u00edch \u0111\u01b0\u1ee3c x\u00e1c minh. C\u1ea5p, ren, \u0111\u1ed9 d\u00e0y l\u1edbp ph\u1ee7, v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi m\u1ecdi v\u1ea5n \u0111\u1ec1.<\/p>\n\n\n\n

R\u1ee7i ro<\/th>k\u1ebft qu\u1ea3<\/th><\/tr><\/thead>
B\u01b0\u1edbc ren sai<\/td>\u0110ai \u1ed1c kh\u00f4ng th\u1ec3 l\u1eafp r\u00e1p<\/td><\/tr>
Lo\u1ea1i h\u1ea1t qu\u00e1 th\u1ea5p<\/td>T\u01b0\u1edbc ch\u1ec9<\/td><\/tr>
L\u1edbp ph\u1ee7 qu\u00e1 d\u00e0y<\/td>L\u1eafp ch\u1eb7t ho\u1eb7c k\u1eb9t<\/td><\/tr>
Ti\u00eau chu\u1ea9n h\u1ed7n h\u1ee3p<\/td>K\u1ebft h\u1ee3p chi\u1ec1u k\u00e9m<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u0110\u1ed1i v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m ren v\u00e0 c\u1ee5m l\u1eafp r\u00e1p, ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 xem l\u1ea1i XZ Fastener's thanh ren<\/a> v\u00e0 v\u00f2ng \u0111\u1ec7m<\/a> trang.<\/p>\n\n\n\n

3. Ki\u1ec3m tra v\u1eadt li\u1ec7u v\u00e0 l\u1edbp c\u1ea9n th\u1eadn<\/h2>\n\n\n\n

D\u1ea5u hi\u1ec7u s\u1ee9c m\u1ea1nh l\u00e0 kh\u00f4ng \u0111\u1ee7<\/h3>\n\n\n\n

\u0110\u1ed1i v\u1edbi bu l\u00f4ng v\u00e0 \u0111ai \u1ed1c c\u00f3 \u0111\u1ed9 b\u1ec1n cao, gi\u1ea5y ch\u1ee9ng nh\u1eadn v\u1eadt li\u1ec7u v\u00e0 b\u00e1o c\u00e1o th\u1eed nghi\u1ec7m c\u01a1 h\u1ecdc r\u1ea5t quan tr\u1ecdng. \u0110\u1eebng ch\u1ec9 d\u1ef1a v\u00e0o nh\u00e3n hi\u1ec7u tr\u00ean \u0111\u1ea7u ho\u1eb7c tuy\u00ean b\u1ed1 c\u1ee7a nh\u00e0 cung c\u1ea5p.<\/p>\n\n\n\n

M\u1ee5c c\u1ea7n x\u00e1c minh<\/th>T\u1ea1i sao n\u00f3 quan tr\u1ecdng<\/th><\/tr><\/thead>
L\u1edbp v\u1eadt li\u1ec7u<\/td>X\u00e1c nh\u1eadn lo\u1ea1i th\u00e9p ho\u1eb7c kh\u00f4ng g\u1ec9<\/td><\/tr>
X\u1eed l\u00fd nhi\u1ec7t<\/td>\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1ed9 c\u1ee9ng<\/td><\/tr>
Ph\u1ea1m vi \u0111\u1ed9 c\u1ee9ng<\/td>Gi\u00fap ph\u00e1t hi\u1ec7n c\u00e1c v\u1ea5n \u0111\u1ec1 x\u1eed l\u00fd<\/td><\/tr>
Ki\u1ec3m tra t\u1ea3i \/ \u0111\u1ed9 b\u1ec1n k\u00e9o<\/td>X\u00e1c nh\u1eadn hi\u1ec7u su\u1ea5t c\u01a1 h\u1ecdc<\/td><\/tr>
Truy xu\u1ea5t ngu\u1ed3n g\u1ed1c h\u00e0ng lo\u1ea1t<\/td>H\u1ed7 tr\u1ee3 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u0110\u1ec3 bi\u1ebft c\u00e1c t\u00f9y ch\u1ecdn v\u1eadt li\u1ec7u, h\u00e3y xem XZ Fastener's \u1ed1c v\u00edt th\u00e9p carbon<\/a> v\u00e0 \u1ed1c v\u00edt b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9<\/a> trang.<\/p>\n\n\n\n

4. X\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 l\u1edbp ph\u1ee7<\/h2>\n\n\n\n

L\u1edbp ph\u1ee7 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 \u0103n m\u00f2n, m\u00f4-men xo\u1eafn v\u00e0 s\u1ef1 ph\u00f9 h\u1ee3p<\/h3>\n\n\n\n

L\u1ef1a ch\u1ecdn l\u1edbp ph\u1ee7 ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng d\u1ecbch v\u1ee5. M\u1ed9t c\u1ee5m t\u1eeb chung chung nh\u01b0 \u201cl\u1edbp ph\u1ee7 ch\u1ed1ng r\u1ec9\u201d l\u00e0 qu\u00e1 m\u01a1 h\u1ed3.<\/p>\n\n\n\n

L\u1edbp ph\u1ee7<\/th>S\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/th><\/tr><\/thead>
M\u1ea1 k\u1ebdm<\/td>S\u1eed d\u1ee5ng ngo\u00e0i tr\u1eddi trong nh\u00e0 ho\u1eb7c nh\u1eb9 nh\u00e0ng<\/td><\/tr>
M\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng<\/td>X\u00e2y d\u1ef1ng ngo\u00e0i tr\u1eddi v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng<\/td><\/tr>
L\u1edbp ph\u1ee7 v\u1ea3y k\u1ebdm<\/td>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n cao v\u1edbi \u0111\u1ed9 d\u00e0y \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t<\/td><\/tr>
Oxit \u0111en<\/td>M\u00e1y m\u00f3c trong nh\u00e0<\/td><\/tr>
PTFE l\u1edbp ph\u1ee7<\/td>Ma s\u00e1t th\u1ea5p v\u00e0 kh\u00e1ng h\u00f3a ch\u1ea5t<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u0110\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng s\u01a1n ph\u1ee7, ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 xem x\u00e9t XZ Fastener's \u1ed1c v\u00edt tr\u00e1ng kh\u00e1c nhau<\/a>, m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng<\/a>v\u00e0 PTFE l\u1edbp ph\u1ee7<\/a> trang.<\/p>\n\n\n\n

5. Y\u00eau c\u1ea7u m\u1eabu cho c\u00e1c \u0111\u01a1n h\u00e0ng quan tr\u1ecdng<\/h2>\n\n\n\n

C\u00e1c m\u1eabu b\u1ed9c l\u1ed9 v\u1ea5n \u0111\u1ec1 tr\u01b0\u1edbc khi s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t<\/h3>\n\n\n\n

\u0110\u1ed1i v\u1edbi c\u00e1c k\u00edch th\u01b0\u1edbc kh\u00f4ng chu\u1ea9n, l\u1edbp ph\u1ee7 \u0111\u1eb7c bi\u1ec7t ho\u1eb7c c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 \u0111\u1ed9 b\u1ec1n cao, ph\u00ea duy\u1ec7t m\u1eabu l\u00e0 b\u01b0\u1edbc ki\u1ec3m so\u00e1t r\u1ee7i ro h\u1eefu \u00edch.<\/p>\n\n\n\n

Ki\u1ec3m tra m\u1eabu cho:<\/p>\n\n\n\n