| Country or Region | Company | Symbol | Note |
|---|---|---|---|
| Thailand | Bangkok Fastening Co., Ltd. | KEF or 01XW | ② |
| China Mainland | Beijing Shouhang Science Technology Development Company | CASC | ④ |
| China Mainland | Sichuan Haifeng Fasteners Manufacturing Co., Ltd. | HFF | ⑤ |
| China Mainland | Zibo Qiangda Group Co., Ltd. | BS | ⑤ |
| China Mainland | Handan Bengu Fastener Manufacturing Co., Ltd. | XC | ⑤ |
| China Mainland | Shaoxing Sunnyi High Strength Fastener Co., Ltd. |
SN 
|
⑤ |
| China Mainland | Tong Ming Enterprise Co., Ltd. |
|
⑤ |
| China Mainland | Xuzhou Ruida High Strength Fasteners Co., Ltd. | RD | ⑤ |
| China Taiwan | Ray Fu Enterprise Co., Ltd. | 01XD | ② |
| China Mainland | Shanghai Dongfeng Special Auto Fittings Co., Ltd. | SD | ⑤ |
| China Mainland | Shanxi Front Automobile Standard Parts Co., Ltd. | FAF | ⑤ |
| China Taiwan | Wenley Trading Co., Ltd. | gleitmo or Fuchs | |
| China Taiwan | Zyh Yin Ent. Co., Ltd. | ZY | |
| China Mainland | Shandong Qihe Standard Parts Co., Ltd. | QH | ⑤ |
| China Mainland | Jinan Huayang Fastener Co., Ltd. | PB | ③ |
| China Mainland | Suzhou Xinling Electric Furnace Co., Ltd. | XL | ⑤ |
| China Mainland | Hebei Wuwei Aero&power Technology Co., Ltd. |
|
⑤ |
| China Taiwan | Ching Chan Optical Technology Co., Ltd. | CCM | |
| China Mainland | Ao Zhan Industrial Co., Ltd. |
|
⑤ |
| China Mainland | Jiangsu Jinsha Fastener Co., Ltd. | JSJS | ⑤ |
| America | Ameribolt, Inc. |
|
② |
| China Mainland | Jiangsu YouLuo Industrial Technology Co., Ltd. | UL | ③ |
| China Mainland | Dingxi High Strength Fastener Co., Ltd. | NS | ⑤ |
| America | Lamons Gasket Company | L1 | ② |
| China Mainland | Taizhou Jingcui Metal Technology Co., Ltd. | J-C | ⑤ |
| China Mainland | Wenzhou Shengchuang Hardware Co., Ltd. |
SCR 
|
⑤ |
| China Mainland | Hangzhou Spring Washer Co., Ltd. / Zhejiang Rixing Standard Pieces Co., Ltd. | HS | ⑤ |
| China Taiwan | Chen Chia Bolt Industrial Co., Ltd. | J | |
| China Mainland | Ningbo Mingli Fasteners Co., Ltd. | M | ⑤ |
| America | SunPack, Inc. | 01VL | ② |
| America | SPS Technologies, LLC |
|
② |
| America | Fastener Dimensions, Inc. |
|
② |
| China Mainland | Quanjiao Chenyang Standard Parts Manufacturing Co., Ltd. | NQ | ⑤ |
| China Mainland | Tianjin Sien Machinery Equipment Co., Ltd. | TSN | ⑤ |
| China Mainland | Wuzhou Huahao Hardware Co., Ltd. | VOV | ⑤ |
| China Mainland | Shanghai Yuandong High-strength Fastener Co., Ltd. | YD | ① |
| China Mainland | Wenzhou Zhengke Hardware Products Co., Ltd. | ZK | ⑤ |
| China Mainland | Shandong Nuclear Equipment Manufacturing Co., Ltd. | SNE | ⑤ |
| America | Risco, Inc. | 01XJ or 01DC | ② |
| China Mainland | Changshu Changhu Nut Manufacturing Co., Ltd. | CHN | ⑤ |
| China Mainland | Dongguan ShengQuan Fastener Co., Ltd. | DSQ | ⑤ |
| China Mainland | Handan Xinzhongsheng Fastener Manufacturing Co., Ltd. | HDZS | ⑤ |
| China Mainland | Zhangjiagang Sanjiang Standard Component Co., Ltd. | ZSJ | ⑤ |
| China Taiwan | Cheng Heng Industrial Co., Ltd. | CH | |
| America | Fibam Companhia Industrial |
|
② |
| China Mainland | Shanghai Luodian Nut Factory | SL | ⑤ |
| Singapore | Tri-Star Industries Pte. Ltd. |
MASTERCOTE 
|
② |
| China Mainland | Jiashan Yixiang Hardware Co., Ltd. | JXYX | ⑤ |
| China Mainland | Jiangsu Jiajie Special Screw Co., Ltd. | JJ | ⑤ |
| India | Ridvan Fasteners India Pvt Ltd | 01WU | ② |
| China Mainland | Guangzhou Fast Precise Hardware Co., Ltd. | FT | ⑤ |
| America | Atlanta Rod & Manufacturing, Inc. | ATLROD | ② |
| China Taiwan | Luo Yao Co., Ltd. | HS or LY | |
| China Mainland | Yancheng Yonggao Metal Technology Co., Ltd. | YY | ⑤ |
| China Mainland | Shanghai Jinshan Standard Parts Co., Ltd. | SJ | ⑤ |
| China Mainland | Nanjing Jiangbiao Standard Component Co., Ltd. | NJB or 江标 | ④ |
| China Mainland | Shanghai Renzhao Standard Parts Co., Ltd. |
|
② |
| America | American Specialty Products and Machine, Inc. | 611 | ② |
| China Mainland | Zhejiang Santie Information Technology Co., Ltd. |
SCM 
|
⑤ |
| China Mainland | Shanghai Hadiwei Fastener Limited Company | HDW | ⑤ |
| China Mainland | Shanghai Baoshan Special Fastener Factory | ST | ⑤ |
| China Mainland | Avic Standard Parts Manufacturing Co., Ltd. |
ZHB 
|
⑤ |
| America | Tifco Industries, Inc. |
|
② |
| China Mainland | Xinjiang Xinbiao Standard Parts and Pump Industry Co., Ltd. | XZ | ⑤ |
| China Mainland | Chengdu Chengwei Precision Machinery Manufacturing Co., Ltd. |
CW 
|
⑤ |
| China Mainland | Changsha Guyou Metal Products Co., Ltd. | TUZ | ⑤ |
| China Taiwan | At-Home Enterprise Co., Ltd. | AH | |
| America | R.B. Industries, Inc. |
|
② |
| America | Wecall Inc. | 01OH | ② |
| China Mainland | Shenyang Futian Fasteners Co., Ltd. |
|
⑤ |
| China Mainland | Shanghai Moregood Hardware Co., Ltd. |
MG 
|
⑤ |
| China Taiwan | Iou Good JYI Industry Co., Ltd. | IGJ | |
| America | Rooke Manufacturing Co. | 01QR | ② |
| China Mainland | Wuxi Lianqing Hardware Fittings Co., Ltd. |
|
⑤ |
| China Mainland | Ningbo Xinderun Standard Parts Co., Ltd. | XDR | ⑤ |
| China Mainland | Langfu Locking Measure Technology Co., Ltd. | LF | ⑤ |
| America | Mar-bro Manufacturing, Inc. | M | ② |
| China Mainland | Zhengzhou Hanghu Electronic Technology Co., Ltd. | HHD | ⑤ |
| America | United Steel & Fasteners, Inc. |
|
② |
| America | Houston Wire & Cable Compnay | PMC | ② |
| China Mainland | IIMANK Group |
IMK 
|
⑤ |
| China Mainland | DB Fasteners (China) Ltd. | DBF | ⑤ |
| China Mainland | Chun Yu (Dongguan) Metal Products Co., Ltd. | CY | ⑤ |
| China Mainland | Tianjin Standard Parts Factory Hardware Business Department Third Branch | TJBS | ⑤ |
| South Korea | Samjin Jeonggong Co., Ltd. |
|
② |
| America | T&T Drilling, Inc. | 01WW | ② |
| China Taiwan | Fang Sheng Screw Co., Ltd. | 01EI | ② |
| China Mainland | Shanghai Zhanyi Industrial Co., Ltd. |
|
⑤ |
| China Mainland | Suzhou Jofae Agricultural Machinery Co., Ltd. | JF | ⑤ |
| America | Anatase Products |
OJ8 or A 
|
② |
| China Taiwan | Kuo Chen Mold Co., Ltd. | KC | |
| China Mainland | Haiyan Huixing Standard Parts Co., Ltd. | 01TR | ② |
| China Mainland | Jiangsu Yili High Strength Fasteners Co., Ltd. | YL | ⑤ |
| China Mainland | Xingtai Ningbo Fastener Co., Ltd. | XN | ① |
| China Mainland | Jiaxing Jinke Fastener Co., Ltd. | JHF | ⑤ |
| China Mainland | Beijing Weidi Xingye Building Materials Co., Ltd. | WD | ⑤ |
| China Mainland | Baoji JHY Titanium Industry Co., Ltd. | JHY | ⑤ |
| America | Ameriforge Group Inc. |
|
② |
| China Mainland | Harbin STF Precision Tools Co., Ltd. | STF | ④ |
| China Mainland | Ningbo Eco Fastening Industry Co,. Ltd. | 01XB | ② |
| China Mainland | Jiangxi Chengde Fasteners Co., Ltd. | CF | 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];
⑥China National Technical Committee for Fasteners: Identifying Marks of Verified Fastener Manufacturers, Announcement No. 14 [2025-04-15];
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];