| Country or Region | Company | Symbol | Note |
|---|---|---|---|
| China Mainland | Henan Hangshen Electromechanical Equipment Co., Ltd. | HAS | ⑤ |
| China Mainland | Anhui Changjiang Fasteners Co., Ltd. | CJ | ⑤ |
| China Mainland | Changzhou Hu Yue Standard Component Factory |
CZ 
|
⑤ |
| Canada | Aztech Engineering, Inc. |
|
② |
| China Mainland | Shandong Gaoqiang Fastener Co., Ltd. |
|
⑤ |
| Canada | J. Lanfranco Fastener Systems Inc. | JL | ② |
| America | Chia Sing Fasteners Ind. SUZHOU Co., Ltd | 01PH | ② |
| America | Chia Sing Screw Industrial Co., Ltd. | 01PJ | ② |
| China Mainland | Baoji JHY Titanium Industry Co., Ltd. | JHY | ⑤ |
| China Taiwan | Thread Industrial Co., Ltd. | ticl | |
| China Taiwan | Bestwell International Corp. | BW | |
| China Taiwan | Hexico Enterprise Co., Ltd. |
|
② |
| China Taiwan | Yu-Tai Pattern Co., Ltd. | YUTA | |
| China Mainland | Gem-Year Logistics Co., Ltd. | GY | ⑤ |
| China Mainland | Ningbo Zhongfeng High Strength Fasteners Co., Ltd. |
ZF 
|
⑤ |
| China Mainland | Ningbo Kunyuan Fasteners Co., Ltd. | KY | ⑤ |
| China Mainland | Shanghai Detroit Precision Fasterner Co., Ltd. | DTF | ⑤ |
| China Mainland | Zhangjiagang JINLI Standard Fastener Co., Ltd. | ZB | ⑤ |
| China Mainland | Suzhou Topfast Mechatronics Co., Ltd. | STX | ⑤ |
| China Mainland | Jiangsu Yili High Strength Fasteners Co., Ltd. | YL | ⑤ |
| China Mainland | Tianjin Baochi Metalware Co.,Ltd. |
BCC 
|
⑤ |
| China Mainland | Shanghai Baoshan Special Fastener Factory | ST | ⑤ |
| America | Lih Ta Fasteners Co., Ltd. | 01PM | ② |
| China Mainland | Ningbo Yibaicheng Fastener Co., Ltd. | YBC | ⑤ |
| China Mainland | Shanghai Dongfeng Special Auto Fittings Co., Ltd. | SD | ⑤ |
| China Mainland | Zhejiang Zhongying Jincheng Precision Machinery Co., Ltd. | HTA | ⑤ |
| China Mainland | Jiaxing Huaxin Supply Chain Technology Co., Ltd. |
|
⑤ |
| China Mainland | Zhejiang Santie Information Technology Co., Ltd. |
SCM 
|
⑤ |
| China Mainland | Zhejiang Jinba Electric Power Parts Co., Ltd. |
|
⑤ |
| China Mainland | Xuzhou Ruida High Strength Fasteners Co., Ltd. | RD | ⑤ |
| China Taiwan | Lin Gwo Industrial Co., Ltd. | LK | |
| China Mainland | Jurong Dajin Standard Parts Manufacturing Co., Ltd. | DJ | ⑤ |
| China Mainland | Shanghai Shenguang High Strength Bolts Co., Ltd. |
SG 
|
⑤ |
| America | Lewis Bolt & Nut Company |
|
② |
| China Mainland | Jiangsu Jinrui Metal Products Co., Ltd. | JR | ⑤ |
| China Mainland | Zibo Qiangda Group Co., Ltd. | BS | ⑤ |
| China Taiwan | Shih Hsang YWA Industrial Inc. |
|
② |
| China Mainland | Yuanwei (Tianjin) Industrial Parts Co., Ltd. | LS | ⑤ |
| China Mainland | Hunan Shenyi Intelligent Manufacturing Co., Ltd. | SYT | ⑤ |
| China Taiwan | West North Machine Works, Ltd. | WEST NORTH | |
| China Mainland | Handan Deli Fasteners Co., Ltd. |
JDL 
|
⑤ |
| China Mainland | Hubei Dengfeng High Strength Bolt Co., Ltd. | DF | ⑤ |
| China Mainland | Ninbo Echo International Trading Co., Ltd. | 01XG | ② |
| China Mainland | Ningbo Qingli Fasteners Co., Ltd. | NQL | ⑤ |
| China Taiwan | Gem Enterprise & Industrial Co., Ltd. | GEOMET or DACROMET | |
| America | SunPack, Inc. | 01VL | ② |
| Japan | Kinki Marusei Nut Co., Ltd. |
|
② |
| China Mainland | Ningbo Zhongyi Fastener Co., Ltd. | NZY | ⑤ |
| America | Threaded Fasteners Inc. | TFI | ② |
| China Mainland | Zhangjiagang JINLI Standard Fastener Co., Ltd. | 01XA | ② |
| China Taiwan | Yi Tai Shen Co., Ltd. | YTS | |
| America | Screws Industries, Inc. | 01JH | ② |
| China Mainland | Shenyang Futian Fasteners Co., Ltd. |
|
⑤ |
| China Mainland | HQ Huaqiao Fastener Co., Ltd. |
HQ 
|
⑤ |
| China Mainland | Handan Xinzhongsheng Fastener Manufacturing Co., Ltd. | HDZS | ⑤ |
| America | Patriot Bolt LLC | 01XQ | ② |
| China Taiwan | Super Cheng Industrial Co., Ltd. | HN | |
| China Mainland | Kunming Fastener Standard Parts Co., Ltd. | m | ⑤ |
| China Taiwan | Linkwell Industry Co., Ltd. |
|
② |
| China Mainland | Tianjin Zhongchengxin High Strength Fastener Co., Ltd. | ZC | ① |
| China Mainland | Zhangjiagang Tonghao Metal Products Co., Ltd. | TH | ① |
| China Mainland | Shanghai Autocraft Co., Ltd. |
ATC 
|
⑤ |
| America | Wilson-Garner Company | W G | ② |
| China Mainland | ASME Fastener Manufacturing (Wuxi) Co., Ltd. | ASM | ⑤ |
| Thailand | Dura Fasteners Co., Ltd. |
|
② |
| Singapore | Tri-Star Industries Pte. Ltd. |
MASTERCOTE 
|
② |
| Pakistan | M.B.I. Industries (PVT) Limited | 01YB | ② |
| America | Long-Lok Fasteners Corporation | LL | ② |
| America | Solution Industries LLC | 01XH | ② |
| America | United Titanium, Inc. | UT | ② |
| China Mainland | Zhejiang Jinbi Fastener Manufacturing Co., Ltd. | DX | ⑤ |
| China Mainland | Hangzhou Jiaxiang Gaoqiang Bolts Co., Ltd. | HYZ | ⑤ |
| China Mainland | Zhejiang Fasina Intelligent Technology Co., Ltd. | FSN | ⑤ |
| America | Copper State Bolt & Nut Co. | CSB | ② |
| China Mainland | Shanghai Fastenman Metal Product Co., Ltd. | HFM | ⑤ |
| China Mainland | Handan KangLi Rigging Manufacturing Co., Ltd. | IS | ⑤ |
| China Mainland | Wuxi Wanqian Intelligent Manufacturing Technology Co., Ltd. |
WQ 
|
⑤ |
| China Mainland | Chun Yu (Dongguan) Metal Products Co., Ltd. | CY | ⑤ |
| China Mainland | Zhuhai Jiali Hardware Products Co., Ltd. | K or 王 | ⑤ |
| America | Berrang Inc. | 01LF | ② |
| America | ITW - Illinois Tool Work Inc. |
|
② |
| China Taiwan | Cheng Heng Industrial Co., Ltd. | CH | |
| China Mainland | Baoji Yunhai Standard Parts Co., Ltd. | YP | ④ |
| China Mainland | Shandong Jiujia Fastener Co., Ltd. | SJJ | ⑤ |
| America | Barnes Group Inc. |
|
② |
| America | Mackson Nuclear, LLC | 01PP | ② |
| China Mainland | Shanghai Moregood Hardware Co., Ltd. |
MG 
|
⑤ |
| China Mainland | Suzhou Dtflock Precision Fastener Co., Ltd. | DTS | ⑤ |
| China Mainland | Fuding Desheng Automotive Fasteners Co., Ltd. | SS | ⑤ |
| China Mainland | Shanxi Front Automobile Standard Parts Co., Ltd. | FAF | ⑤ |
| China Taiwan | Kingwin Precision Co., Ltd. | KWP | |
| China Mainland | DB Fasteners (China) Ltd. | DBF | ⑤ |
| China Mainland | Shanghai Accuride Corporation | AC | ⑤ |
| China Mainland | Ningbo Junli Fasteners Manufacturing Co., Ltd. | GS | ⑤ |
| Italy | Fontana Fasteners, Inc |
4F 
|
② |
| China Mainland | Shenyang Boyan Industry Co., Ltd. | BYC | ⑤ |
| China Mainland | Shanghai Guanglve Technology Development Co., Ltd. |
TANDL 
|
⑤ |
| China Mainland | Shanghai Shunyi Fastener Co., Ltd. | SI | ⑤ |
| China Mainland | Ningbo Zhenhai Xingyi Fasteners Co. Ltd. | XYLX | ② |
| America | Fastener Dimensions, Inc. |
|
② |
| China Mainland | Xuzhou Hui Li Gao Qiang Standard Component Co., Ltd. |
|
⑤ |
|
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Note:
①China National Technical Committee for Fasteners: Identifying Marks of Verified Fastener Manufacturers, Announcement No. 10 [2021-04-08];
②U.S. Patent & Trademark Office Fastener Insignia Register Active Insignias, Jan 29, 2020;
③China National Technical Committee for Fasteners: Identifying Marks of Verified Fastener Manufacturers, Announcement No. 11 [2023-05-16];
④China National Technical Committee for Fasteners: Identifying Marks of Verified Fastener Manufacturers, Announcement No. 12-1 [2024-01-15];
⑤China National Technical Committee for Fasteners: Identifying Marks of Verified Fastener Manufacturers, Announcement No. 13-1 [2024-11-01];
①China National Technical Committee for Fasteners: Identifying Marks of Verified Fastener Manufacturers, Announcement No. 10 [2021-04-08];
②U.S. Patent & Trademark Office Fastener Insignia Register Active Insignias, Jan 29, 2020;
③China National Technical Committee for Fasteners: Identifying Marks of Verified Fastener Manufacturers, Announcement No. 11 [2023-05-16];
④China National Technical Committee for Fasteners: Identifying Marks of Verified Fastener Manufacturers, Announcement No. 12-1 [2024-01-15];
⑤China National Technical Committee for Fasteners: Identifying Marks of Verified Fastener Manufacturers, Announcement No. 13-1 [2024-11-01];