| Country or Region | Company | Symbol | Note |
|---|---|---|---|
| China Mainland | Zhejiang Ruili Auto Parts Co., Ltd. | RL | ⑦ |
| China Mainland | Shanghai Yong Xie Mechanical Parts Co Ltd | 01XX | ② |
| China Mainland | Zhejiang GANCHO Standard Parts Enterprise | GC | ⑦ |
| China Mainland | Ningbo Yinzhou Hengxi Dagang High Strength Factory | ND | ⑦ |
| Canada | J. Lanfranco Fastener Systems Inc. | JL | ② |
| China Mainland | Xingtai Jinhang Fastener Manufacturing Co., Ltd. | SA | ⑦ |
| China Mainland | Ningbo Economic & Technical Development Zone Yonggang Fasteners Co., Ltd. | NY | ⑦ |
| America | ATF, Inc. |
|
② |
| China Mainland | Hebei Tianchuang Pipe Co., Ltd. | TCF | ⑦ |
| China Mainland | Zibo Qiangda Group Co., Ltd. | BS | ⑦ |
| America | ITW - Illinois Tool Work Inc. |
|
② |
| America | Security Locknut LLC |
|
② |
| China Taiwan | Xing Man Co., Ltd. |
|
|
| China Mainland | Shandong Gaoqiang Fastener Co., Ltd. |
|
⑦ |
| America | Mac Fasteners, Inc. | 01DO | ② |
| China Mainland | Shanghai Accuride Corporation | AC | ⑦ |
| China Mainland | Hangzhou Damao Technology Co., Ltd. | DM | ⑦ |
| America | Acument Global Technologies, Inc. | SFD | ② |
| America | RX Industrial Corp. | 01LO | ② |
| China Mainland | Ningbo Mookids International Trade Co., Ltd. | MXF | ⑦ |
| China Taiwan | Chiao Chang Pneumatic Tool Corp. | CCP | |
| China Taiwan | Tung Fang Accuracy Co., Ltd. | TFA | |
| China Mainland | Hebei Xinkaida Steel Tower Standard Component Co., Ltd. | XKD | ⑦ |
| America | Automotive Racing Products, Inc. | L-19 or 2000 or PERMALOC or WAVE-LOC or ARP | ② |
| China Taiwan | Yensen Technology Co., Ltd. |
|
② |
| China Mainland | Jinyou Technology (Jiaxing) Co., Ltd. |
WWW 
|
⑤ |
| China Mainland | Zhejiang Delei Wind Energy Technology Co., Ltd. |
|
⑦ |
| China Taiwan | Shih Hsang YWA Industrial Inc. |
|
② |
| America | Hongsteel Corporation | 01LQ | ② |
| China Mainland | Luoyang Locomotive and Rolling Stock Parts Co., Ltd. | LW | ⑦ |
| China Taiwan | Newfast Co., Ltd. |
|
② |
| China Taiwan | Key-Use Industrial Works Co., Ltd. | KU | |
| China Mainland | Screwman (Jiangsu) Co., Ltd. |
SMC 
|
⑤ |
| China Mainland | Guizhou Aerospace Precision Products Co., Ltd. | HA | ⑦ |
| China Mainland | Henan Aerospace Precision Machining Co., Ltd. | HT | ⑦ |
| America | Albany Steel and Brass Corp. |
ASB 
|
② |
| China Mainland | Dongguan ShengQuan Fastener Co., Ltd. | DSQ | ⑦ |
| China Mainland | Likong Equipment (Jiangsu) Co., Ltd. | LKC | ⑦ |
| China Mainland | Hangzhou Jinyi Fastener Co., Ltd. | DE | ⑦ |
| China Mainland | Jinan Star Fastener Co., Ltd. | 01RL | ② |
| China Mainland | Huai 'an Ruilite Metal Materials Co., Ltd. | RLT | ⑦ |
| China Mainland | Jiangsu Saifule Metal Products Manufacturing Co., Ltd. | ZHY | ⑦ |
| China Mainland | Changshu Changhu Nut Manufacturing Co., Ltd. | CHN | ⑦ |
| America | T&T Drilling, Inc. | 01WW | ② |
| America | Associated Fastening Products, Inc. | 01LE | ② |
| China Mainland | Xinjiang Xinbiao Standard Parts and Pump Industry Co., Ltd. | XZ | ⑦ |
| America | Extreme Bolt & Fastener, LLC | XBF | ② |
| China Mainland | Shaanxi Haifeng Petroleum Machinery Manufacturing Co., Ltd. |
|
⑦ |
| America | All-Pro Threaded Products, Inc. |
|
② |
| China Mainland | Taosheng Nuclear Machinery Co., Ltd. | TAO | ⑤ |
| China Mainland | Zhenkunxing Industry Supermarket (Shanghai) Co., Ltd. | ZKH | ⑦ |
| China Mainland | Hebei Meiru Fastener Manufacturing Co., Ltd. | MR | ⑦ |
| China Mainland | Wenhou Keteng Fasteners Co., Ltd | KTF | ② |
| China Mainland | Beijing Jinzhaobo HIgh-strength Fastener Co., Ltd. | JN | ⑦ |
| China Mainland | Shangrui (Changzhou) Supply Chain Management Co., Ltd. |
SHR 
|
⑦ |
| China Mainland | Haiyan Yuxing Nuts Co., Ltd. | SJH | ① |
| China Mainland | Fastwell Industry Co., Ltd. | FW | ② |
| China Mainland | Suzhou Fast Hardware Co., Ltd. |
FST 
|
⑦ |
| China Mainland | Shanghai Hengfeng Fasteners Manufacturing Co., Ltd. | SE | ① |
| America | Quality Bolt & Screw Corporation | 01AV | ② |
| China Mainland | Tong Ming Enterprise Co., Ltd. |
|
⑦ |
| America | Curtiss-Wright Flow Control Corp. |
|
② |
| China Mainland | Jinan Star Fastener Co., Ltd. | PB or STAR | ⑦ |
| China Mainland | ASME Fastener Manufacturing (Wuxi) Co., Ltd. | ASM | ⑦ |
| China Mainland | Anhui Liufang Chonglian Machinery Co., Ltd. | LFC | ④ |
| India | Zeta Industry Corporation Limited | 01WK | ② |
| China Mainland | Ningbo Nanju Baoge Fastener Manufacturing Co., Ltd. | NBG | ⑦ |
| China Mainland | Jiangsu Duxun Special Alloy Co., Ltd. | DXF | ⑦ |
| China Mainland | Jiangsu Gubiao Stainless Steel Products Co., Ltd. | GB | ⑦ |
| China Mainland | Zhejiang Fasina Intelligent Technology Co., Ltd. | FSN | ⑦ |
| China Mainland | Chengdu Jinchengbiao High-Strength Fasteners Manufacturing Co., Ltd. | CJB | ⑦ |
| America | Fall River Manufacturing Co., Inc. |
|
② |
| China Taiwan | Iou Good JYI Industry Co., Ltd. | IGJ | |
| China Mainland | Hebei Jinan Standard Parts Co., Ltd. | R | ⑦ |
| Canada | Aztech Engineering, Inc. |
|
② |
| America | West Coast Aerospace, Inc. |
|
② |
| America | Southwest Stainless L.P. |
|
② |
| China Taiwan | Fastener Da Taiwan Industry Co., Ltd. | FDT | |
| China Taiwan | Yin Shin Hardware Industry Co., Ltd. | TS | |
| America | Valley Forge & Bolt Manufacturing Company |
|
② |
| China Mainland | Guangzhou Fast Precise Hardware Co., Ltd. | FT | ⑤ |
| China Mainland | Ningbo Jinding Fastening Piece Co., Ltd. | JDF | ⑦ |
| China Mainland | Guangdong Shixi Fastener Technology Co., Ltd. | ALi | ① |
| America | American Specialty Products and Machine, Inc. | 611 | ② |
| China Mainland | Handan Youtuo Fastener Manufacturing Co., Ltd. | YSFIX | ⑦ |
| China Taiwan | Chang Hsiung Factory Co., Ltd. | CHF | |
| China Mainland | Jiangsu Yili High Strength Fasteners Co., Ltd. | YL | ⑦ |
| America | Domestic Fastener & Forge, Inc. | 01AK | ② |
| China Taiwan | Good Use Hardware Co., Ltd. | GOOD USE | |
| China Mainland | Handan Xinzhongsheng Fastener Manufacturing Co., Ltd. | HDZS | ⑥ |
| China Mainland | Yuzhe Precision Fastener Technology (Shanghai) Co., Ltd. | ESL | ⑦ |
| China Mainland | Shaoxing Weili Fastener Co., Ltd. | LK | ⑦ |
| China Mainland | Handan Deli Fasteners Co., Ltd. |
JDL 
|
⑦ |
| China Mainland | Xinghua Shengming Stainless Steel Products Factory |
|
⑦ |
| China Mainland | Guangdong Jiesiwei Screw City Co., Ltd. | J∙T | ① |
| China Mainland | Ningbo Dongnan High Strength Fasteners Co., Ltd. |
|
⑦ |
| China Taiwan | Fang Yi Precision Fixture Enterprise Co., Ltd. | FY | |
| China Mainland | Shenyang Boyan Industry Co., Ltd. | BYC | ⑦ |
| China Mainland | Shanghai Jinshan Standard Parts Co., Ltd. | SJ | ⑦ |
| China Mainland | Jinhua Zhipeng New Energy Technology Co., Ltd. | WNL | ⑦ |
| China Taiwan | Chong Cheng Fastener Corp. |
|
② |
|
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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];
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];