| Country or Region | Company | Symbol | Note |
|---|---|---|---|
| China Mainland | Chengdu Youlite New Materials Technology Co., Ltd | URNIT | ⑧ |
| America | Fontana Fastners, Inc.(USA) |
|
② |
| China Taiwan | Fu Hui Screws Industry Co., Ltd. | FH | |
| China Mainland | Handan Youtuo Fastener Manufacturing Co., Ltd. | YSFIX | ⑧ |
| China Mainland | Tianjin Standard Parts Factory Hardware Business Department Third Branch | TJBS | ⑥ |
| China Taiwan | Fang Sheng Screw Co., Ltd. (YFS) | YFS | |
| China Mainland | Wenzhou Good Fastener Co., Ltd. |
K1 
|
⑤ |
| China Mainland | Ningbo Zhenhai Yongding Fastener Co., Ltd. | NYD 或 YD | ⑧ |
| China Taiwan | Super Cheng Industrial Co., Ltd. | HN | |
| America | Magnolia Bolt, Inc. | 01VE | ② |
| China Mainland | Quanjiao Chenyang Standard Parts Manufacturing Co., Ltd. | NQ | ⑧ |
| America | Tifco Industries, Inc. |
|
② |
| China Mainland | Jiangsu Yongyi Fastener Co., Ltd. | XYLX | ⑦ |
| China Mainland | Liaoning Shiqiang Machinery Manufacturing Co., Ltd. | SQ | ⑧ |
| America | Fibam Companhia Industrial |
|
② |
| China Taiwan | Ben Yuan Enterprise Co., Ltd. | BY | |
| China Taiwan | L&W Fasteners Company | LW | |
| China Mainland | Shenzhen Kuaiyu Hardware Co., Ltd. | TV | ⑦ |
| China Mainland | Shanghai Arvid Hardware Co., Ltd. | AF | ① |
| China Mainland | Jiangsu Taigu Fastener Technology Co., Ltd. | TGB | ⑧ |
| China Mainland | Shandong Qihe Standard Parts Co., Ltd. | QH | ⑦ |
| China Mainland | Yancheng Yonggao Metal Technology Co., Ltd. | YY | ⑧ |
| America | Mackson Nuclear, LLC | 01PP | ② |
| China Mainland | Gem-Year Logistics Co., Ltd. | GY | ⑦ |
| China Mainland | WASI Tianjin Fastener Co., Ltd. Jinnan Branch | WS | ⑧ |
| China Mainland | Jiangsu Golden Ocean New Energy Technology Co., Ltd. | JHGF | ⑥ |
| America | I Q Nut & Bolt | 01WM | ② |
| China Mainland | Ningbo Xinderun Standard Parts Co., Ltd. | XDR | ⑦ |
| America | Best Quality Fasteners | BQF | ② |
| China Mainland | Shandong Zenno Chemical Equipment Co., Ltd. |
ZN 
|
⑧ |
| China Mainland | Xingtai Ningbo Fastener Co., Ltd. | XN | ① |
| China Mainland | Jiashan Kaixin Hardware Co., Ltd. | KF | ⑧ |
| China Mainland | Dongfeng Motor Parts And Components Group Co., Ltd. | EQ | ⑦ |
| China Taiwan | Jyh Shinn Plastic Co., Ltd. | JSP | |
| China Mainland | Shanghai G&t Industry Co., Ltd. | GT | ⑧ |
| China Mainland | Ningbo Zhenhai Xingyi Fasteners Co. Ltd. | XYLX | ② |
| China Mainland | Zhejiang Zhengli Fasteners Co., Ltd. | V | ⑧ |
| America | R.B. Industries, Inc. |
|
② |
| China Mainland | Shanghai Shenguang High Strength Bolts Co., Ltd. |
SG 
|
⑦ |
| China Mainland | Henan Weihang Industrial Co., Ltd. |
VR 
|
⑦ |
| China Mainland | Fuding Desheng Automotive Fasteners Co., Ltd. | SS | ⑧ |
| China Mainland | Dingxi High Strength Fastener Co., Ltd. | NS | ⑧ |
| China Taiwan | Taiwan Shan Yin Technology Co., Ltd. | SKT | |
| China Mainland | Nanjing Fubeier Metal Products Co., Ltd. | FBR | ⑧ |
| China Taiwan | VERTEX Precision Industrial Corp. |
|
|
| China Mainland | Qingdao Wabiao Automotive Fasteners Co., Ltd. | WAB | ⑦ |
| China Mainland | Shanghai Baoshan Special Fastener Factory | ST | ⑦ |
| China Mainland | Shenzhen Aerofasteners Mfg. Co., Ltd. | 3L | ⑦ |
| China Mainland | Baoji Yunhai Standard Parts Co., Ltd. | YP | ④ |
| China Mainland | Ningbo Hi-Tech Zone Jiudingjin Fastener Co., Ltd. |
|
⑧ |
| China Mainland | Aerospace Precision Products Co., Ltd. | DH | ⑧ |
| China Mainland | Sichuan Haifeng Fasteners Manufacturing Co., Ltd. | HFF | ⑧ |
| China Mainland | Shaoxing Sunnyi High Strength Fastener Co., Ltd. |
SN 
|
⑧ |
| America | Reid Products Inc. | R9 or 9R | ② |
| China Mainland | China Railway Shanhaiguan Bridge Group Co., Ltd. |
|
⑦ |
| China Mainland | Chilok Industry Co., Ltd. | O or 大 | ⑧ |
| China Mainland | Yongkang Yuejia Standard Parts Co., Ltd. | WP | ⑧ |
| China Mainland | Wuzhou Huahao Hardware Co., Ltd. | VOV | ⑧ |
| China Taiwan | Kuo Chen Mold Co., Ltd. | KC | |
| China Mainland | Shanghai SQB Automobile Fasteners Co., Ltd. | SQB | ⑦ |
| China Mainland | Mindu Fastener Manufacturing Co., Ltd. |
闽都 
|
⑧ |
| China Mainland | Changzhou Baigu Trading Co., Ltd. | 01YA | ② |
| Canada | lfastgroupe 2004 L.P. |
|
② |
| China Mainland | Xinghua Yongzheng Stainless Steel Products Co., Ltd. | XHYZ | ⑧ |
| China Mainland | Shanghai Zhengao Automobile Technology Co., Ltd. | ZG | ⑧ |
| China Mainland | Ningbo Eastport Fastener Manufacturing Co., Ltd. | DG | ⑧ |
| China Taiwan | Tong Hwei Enterprise Co., Ltd. | THE | |
| China Mainland | China Railway High-Tech Intelligent Equipment Co., Ltd. |
|
⑧ |
| America | Ramirez Precision Machinery, Inc. | 01HF | ② |
| China Mainland | Hebei Hanwang Stainless Steel Products Co., Ltd. | HW | ⑤ |
| China Mainland | Shanghai Dingzeng New Material Technology Co., Ltd. |
|
⑧ |
| China Mainland | Jinan Star Fastener Co., Ltd. | 01RL | ② |
| China Mainland | Jishe (Shanghai) Industrial Co., Ltd. | BIA | ① |
| China Mainland | Shanghai Jin-He Fastener Co., Ltd. | JHF | ③ |
| America | Domestic Fastener & Forge, Inc. | 01AK | ② |
| China Mainland | Ningbo ECO-FASTENING Industry Supply Co., Ltd. | EFI | ④ |
| China Mainland | Hanmu Metalware (Suzhou) Co., Ltd. | HMM | ⑧ |
| America | Sems and Specials, Inc. | 01IG | ② |
| America | Lamons Gasket Company | L1 | ② |
| China Mainland | Jiangsu Huyue Standard Parts Co., Ltd. |
H·Y 
|
⑧ |
| China Mainland | Baoji JHY Titanium Industry Co., Ltd. | JHY | ⑧ |
| Canada | Aztech Engineering, Inc. |
|
② |
| China Taiwan | Key-Use Industrial Works Co., Ltd. | KU | |
| China Mainland | Shenyang Boyan Industry Co., Ltd. | BYC | ⑧ |
| China Mainland | Ningbo Beilun Lisan Stainless Steel Prod. Co., Ltd. | 01RY | ② |
| China Mainland | Shanghai Guanglve Technology Development Co., Ltd. |
TANDL 
|
⑧ |
| America | Trust Manufacturing, LLC |
TRUST or 01TF 
|
② |
| America | Associated Fastening Products, Inc. | 01LE | ② |
| China Mainland | Raychin Limited |
RC 
|
⑧ |
| America | Tramec Hill Fastener, LLC |
|
② |
| China Taiwan | West North Machine Works, Ltd. | WEST NORTH | |
| China Mainland | Hebei Chengzhi Fastener Manufactureing Co., Ltd. | C·Z | ⑧ |
| China Mainland | Haiyan Roc-Master Corrosion Resistant Fastener Technology Co., Ltd. |
RM 
|
① |
| China Mainland | Yuzhe Precision Fastener Technology (Shanghai) Co., Ltd. | ESL | ⑧ |
| China Mainland | Jiangsu HuaJie Stainless Steel Products Co., Ltd. |
|
⑦ |
| China Mainland | Shaanxi Haifeng Petroleum Machinery Manufacturing Co., Ltd. |
|
⑧ |
| China Mainland | Shanghai Qunli Fastener Manufacture Co., Ltd. |
SQL 
|
⑧ |
| America | Houston Wire & Cable Compnay | PMC | ② |
| China Mainland | Zhenkunxing Industry Supermarket (Shanghai) Co., Ltd. | ZKH | ⑧ |
| China Mainland | Zhejiang Jiahe Automobile Parts Co., Ltd. |
|
⑧ |
| China Mainland | Ningbo Time Auto Parts Co., Ltd. | TF | ⑦ |
|
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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];
⑥China National Technical Committee for Fasteners: Identifying Marks of Verified Fastener Manufacturers, Announcement No. 14 [2025-04-15];
⑦China National Technical Committee for Fasteners: Identifying Marks of Verified Fastener Manufacturers, Announcement No. 14-1 [2025-09-05];
⑧China National Technical Committee for Fasteners: Identifying Marks of Verified Fastener Manufacturers, Announcement No. 15 [2026-01-27];
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];
⑥China National Technical Committee for Fasteners: Identifying Marks of Verified Fastener Manufacturers, Announcement No. 14 [2025-04-15];
⑦China National Technical Committee for Fasteners: Identifying Marks of Verified Fastener Manufacturers, Announcement No. 14-1 [2025-09-05];
⑧China National Technical Committee for Fasteners: Identifying Marks of Verified Fastener Manufacturers, Announcement No. 15 [2026-01-27];