| Country or Region | Company | Symbol | Note |
|---|---|---|---|
| China Taiwan | Super Cheng Industrial Co., Ltd. | HN | |
| China Mainland | Henan Shenhang Technology Co., Ltd. | SHT | ⑥ |
| America | Anolda Enterprises, LLC | 01XZ | ② |
| India | Mitter Fasteners | MEL | ② |
| China Taiwan | Leading Hardware Corporation | LD | |
| China Taiwan | Ku Fu Fasteners Co., Ltd. | KF | |
| India | Zeta Industry Corporation Limited | 01WK | ② |
| America | Bolts of America LLC | 01XM | ② |
| China Mainland | Shijiazhuang Hadiwei Fastener Co., Ltd. | SHDW | ⑥ |
| China HongKong | IFI & Morgan Ltd. |
|
② |
| China Mainland | Hebei Wuwei Aero&power Technology Co., Ltd. |
|
⑥ |
| China Mainland | Ningbo Zhongyi Fastener Co., Ltd. | NZY | ⑥ |
| China Taiwan | Chiao Chang Pneumatic Tool Corp. | CCP | |
| China Mainland | Chia Sing Fasteners Industrial Suzhou Co., Ltd. | 01PH | ② |
| China Mainland | Huaian Jinshubo High Strength Fasteners Co., Ltd. | JSB | ⑥ |
| China Mainland | Ningbo Huazhi High Intensity Fastener Manufacture Co., Ltd. | HZ | ⑥ |
| America | T&T Drilling, Inc. | 01WW | ② |
| China Mainland | Liaoning Hunhe Petroleum Equipment Technology Co., Ltd. | LNHH | ⑥ |
| Malaysia | Tong Heer Fasteners Co., Sdn. Bhd. | THE or TONG | |
| China Mainland | Yikai Holdings (Qingdao) Group Co., Ltd. |
牛紧 
|
⑥ |
| America | BBC Fasteners, Inc. | B B C | ② |
| America | Semblex Corporation |
|
② |
| China Taiwan | Chia Sing Screw Industrial Co., Ltd. | 01PJ | ② |
| China Mainland | Zhenkunxing Industry Supermarket (Shanghai) Co., Ltd. | ZKH | ⑥ |
| America | Fastener Dimensions, Inc. |
|
② |
| China Mainland | Zhejiang GANCHO Standard Parts Enterprise | GC | ⑥ |
| America | All-Pro Threaded Products, Inc. |
|
② |
| China Mainland | Wuhu Hongshun Standard Parts Manufacturing Co., Ltd. |
WHS 
|
⑥ |
| China Mainland | Bossard Fastening Solutions (Shanghai) Co., Ltd. | BE | ⑥ |
| China Mainland | Zhejiang Jinbi Fastener Manufacturing Co., Ltd. | DX | ⑥ |
| China Mainland | Xinghua Shengming Stainless Steel Products Factory |
|
⑥ |
| China Mainland | Guangdong Jiesiwei Screw City Co., Ltd. | J∙T | ① |
| China Mainland | Yangzhou Sanjiao Fastener Co., Ltd. | SNX | ⑤ |
| China Mainland | Henan Yukong Aerospace Fasteners Co., Ltd. | YK | ⑥ |
| China Taiwan | Linkwell Industry Co., Ltd. |
|
② |
| China Mainland | Luoyang Tiantong Precision Machinery Co., Ltd. |
TT 
|
④ |
| China Mainland | Handan Yanzhao Fastener Manufacturing Co., Ltd. | YZ | ⑥ |
| China Mainland | Shanghai Accuride Corporation | AC | ⑥ |
| America | Ameriforge Group Inc. |
|
② |
| America | Estate Winery Products, Inc | GENERAZION | ② |
| China Mainland | Chongqing Standard Parts Industry Co., Ltd. Chongqing Automobile Standard Parts Factory Branch |
ISI 
|
⑥ |
| America | Solution Industries LLC | 01XH | ② |
| China Mainland | Anhui Chaohu Foundry Factory Co., Ltd. | A | ① |
| China Mainland | Henan Hebai Fastener Manufacturing Co., Ltd. | H | ⑥ |
| China Mainland | Zhejiang Ruikeda Technology Co., Ltd. | KK | ⑥ |
| China Mainland | Changzhou Huyue Trading Co., Ltd. | JY | ⑥ |
| China Mainland | Anhui Ruihe Railway Fastener Technology Co., Ltd. | RH | ⑥ |
| China Mainland | Guangdong Shixi Fastener Technology Co., Ltd. | ALi | ① |
| China Mainland | Jinan High Strength Standard Parts., Ltd. | 01UX | ② |
| China Taiwan | FWU Kuang Enterprises Co., Ltd. | FKE | ② |
| China Mainland | Shenzhen Jianyue Industrial Fasteners Co., Ltd. | SJY | ⑥ |
| China Mainland | Beijing Standard Components Industry Group Co., Ltd. | C or CC | ① |
| India | Lakshmi Precision Screws Limited | LPS | ② |
| China Mainland | Hangzhou Spring Washer Co., Ltd. / Zhejiang Rixing Standard Pieces Co., Ltd. | HS | ⑥ |
| China Taiwan | Autolink International Co., Ltd. | MHS | |
| China Mainland | Langfu Locking Measure Technology Co., Ltd. | LF | ⑥ |
| China Mainland | Jiangsu Baide Special Alloy Co., Ltd. | BDF | ⑥ |
| China Mainland | Hebei Xitie Fasteners Co., Ltd. | MRO | ⑥ |
| China Mainland | Xi'an Fuermosha Mechanical and Electrical Equipment Co., Ltd. |
CFS 
|
⑥ |
| China Mainland | Ningbo Ninghe Power Locomotive Parts Co., Ltd. | NH | ⑥ |
| China Mainland | Jienao Materials Trade Co., Ltd. |
STG 
|
⑥ |
| China Taiwan | Newfast Co., Ltd. |
|
② |
| China Mainland | Hangzhou Yougongpin Technology Co., Ltd. |
HGP 
|
⑤ |
| China Mainland | Shanghai Xinluo Enterprise Development Co., Ltd. | SX | ⑥ |
| America | Tramec Hill Fastener, LLC |
|
② |
| China Mainland | Taizhou Hesheng Stainless Steel Co., Ltd. | XSS | ⑥ |
| America | Highlands Threads, Inc |
|
② |
| China Mainland | Hefei Chuangqing Metal Products Co., Ltd. |
|
③ |
| China Mainland | Suzhou GPYH International Technology Co., Ltd. |
GP 
|
⑥ |
| China Taiwan | Yi Ti Mold Enterprise Co., Ltd. |
|
|
| Germany | Kamax Holding GmbH Co. KG | KX or KAMAX or KXV or KXA | ② |
| China Mainland | Hunan Shenlian Standard Pieces Co., Ltd. | MEV | ⑥ |
| America | Power Gen Components LLC | PGC | ② |
| China Mainland | Hebi Gaoqiang Fasteners Co., Ltd. |
|
⑥ |
| China Mainland | Ningbo Hexin Standard Parts Co., Ltd. |
HX.CN 
|
⑥ |
| China Mainland | Ningbo Zhongfeng High Strength Fasteners Co., Ltd. |
ZF 
|
⑥ |
| China Mainland | Arnold Fasteners (Shenyang) Co., Ltd. | AFS | ① |
| China Taiwan | Vim International Enterprise Co., Ltd. | VIM | |
| China Mainland | Beijing Weidi Xingye Building Materials Co., Ltd. | WD | ⑥ |
| China Mainland | Jiangsu Jiajie Special Screw Co., Ltd. | JJ | ⑥ |
| China Mainland | Tianjin Sien Machinery Equipment Co., Ltd. | TSN | ⑥ |
| China Mainland | Shenyang Huiteng Machinery Co., Ltd. | H&T | ⑥ |
| America | TurnaSure LLC |
TURNASURE 
|
② |
| China Taiwan | Lih Ta Fasteners Co., Ltd. | 01PM | ② |
| China Mainland | Zhuzhou Dinggu Motorcycle Parts Co., Ltd. |
DGu 
|
⑥ |
| China Mainland | Shanghai Shenguang High Strength Bolts Co., Ltd. |
SG 
|
⑥ |
| China Mainland | Xuzhou Ruida High Strength Fasteners Co., Ltd. | RD | ⑥ |
| America | Asia Fastening (US) Inc |
|
② |
| China Mainland | Jiaxing Youwei General Parts Co., Ltd. | W | ⑥ |
| China Mainland | Lianhe Chuangli Hardware Technology Jiangsu Co., Ltd. | Lc | ⑥ |
| China Mainland | Nanjing Jiangbiao Standard Component Co., Ltd. | NJB or 江标 | ④ |
| America | Evergreen Machine & Manufacturing, Inc. | 01MU | ② |
| China Mainland | Zhejiang Xintai Fastener Co., Ltd. | HK | ⑥ |
| China Mainland | Haining Zhongda Fasteners Co., Ltd. | 01RD | ② |
| China Mainland | Hangzhou Jiaxiang Gaoqiang Bolts Co., Ltd. | HYZ | ⑥ |
| China Mainland | Hefei Xinglong Special Standard Parts Co., Ltd. |
|
⑥ |
| China Mainland | Shenyang Tools Standard Parts Manufacturing Co., Ltd. | BG | ⑥ |
| China Mainland | Hubei Dengfeng High Strength Bolt Co., Ltd. | DF | ⑥ |
| China Mainland | Zhejiang Zhongying Jincheng Precision Machinery Co., Ltd. | HTA | ⑥ |
| China Taiwan | Chong Cheng Fastener Corp. |
|
② |
| China Mainland | Jiangsu Fengye Hardware Technology Co., Ltd. | SUSF | ⑥ |
|
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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];