| Country or Region | Company | Symbol | Note |
|---|---|---|---|
| India | Mitter Fasteners | MEL | ② |
| China Mainland | Zhoushan Zhengshan Intelligent Manufacturing Technology Joint Stock Co., Ltd. |
ZSZMI 
|
⑧ |
| China Mainland | Wuxi Huadong Standard Parts Manufacturing Co., Ltd. | HC | ⑧ |
| Pakistan | M.B.I. Industries (PVT) Limited | 01YB | ② |
| China Mainland | Shaoxing Yong'an High Voltage Fasteners Co., Ltd. |
YA 
|
① |
| America | Acument Intellectual Properties, LLC |
SFT 
|
② |
| China Mainland | Langfu Locking Measure Technology Co., Ltd. | LF | ⑦ |
| China Mainland | Finework（Hunan）New Energy Technology Co., Ltd. | FW | ⑧ |
| China Taiwan | Iou Good JYI Industry Co., Ltd. | IGJ | |
| China Mainland | Xuzhou Xinxing Fastener Technology Co., Ltd. |
XFTC 
|
⑧ |
| China Mainland | Changzhou Hu Yue Standard Component Factory |
CZ 
|
⑧ |
| China Mainland | Mindu Fastener Manufacturing Co., Ltd. |
闽都 
|
⑧ |
| China Mainland | Dongguan ShengQuan Fastener Co., Ltd. | DSQ | ⑦ |
| China Mainland | Xingtai Longshi Fastener Manufacturing Co., Ltd. |
|
⑤ |
| China Mainland | Zhejiang Xintai Fastener Co., Ltd. | HK | ⑧ |
| China Mainland | Jinan Star Fastener Co., Ltd. | PB or STAR | ⑧ |
| China Mainland | Handan Meritorious High Strength Fastener Co., Ltd. | SLG | ④ |
| China Mainland | Shandong Nuclear Equipment Manufacturing Co., Ltd. | SNE | ⑤ |
| China Mainland | Hunan Bygold Technology Co., Ltd. | F1 or GU | ⑧ |
| China Mainland | Xingtai Ningbo Fastener Co., Ltd. | XN | ① |
| China Mainland | Würth (China) Co., Ltd. |
|
⑧ |
| China Mainland | Shanghai Pengbiao Fastener Co., Ltd. |
PBL 
|
⑧ |
| China Taiwan | KeiUi International Co., Ltd. |
KU or KeiUi 
|
|
| China Mainland | Windfast Industrial Co., Ltd. | WF | ④ |
| China Taiwan | Cheng Heng Industrial Co., Ltd. | CH | |
| China Mainland | Wenhou Keteng Fasteners Co., Ltd | KTF | ② |
| China Mainland | Haiyan Roc-Master Corrosion Resistant Fastener Technology Co., Ltd. |
RM 
|
① |
| China Mainland | Hebei Goodfix Hardware Manufacture Co., Ltd. |
|
⑧ |
| China Taiwan | Hyperkey International Inc. | 01LN | ② |
| China Mainland | Ningbo ECO-FASTENING Industry Supply Co., Ltd. | EFI | ④ |
| America | Akko Fastener, Inc. |
|
② |
| China Taiwan | Chong Cheng Fastener Corp. | C | |
| China Mainland | Ningbo Zhenhai Xingyi Fasteners Co. Ltd. | XYLX | ② |
| China Mainland | Hanmu Metalware (Suzhou) Co., Ltd. | HMM | ⑧ |
| America | TurnaSure LLC |
TURNASURE 
|
② |
| America | Atlanta Rod & Manufacturing, Inc. | ATLROD | ② |
| China Mainland | Haiyan JinZhu Science Co., Ltd. |
几 or JZ 
|
⑧ |
| China Mainland | OPPU (Tianjin) Industrial Parts Co., Ltd. | OP | ⑧ |
| China Mainland | Jiangsu Yongyi Fastener Co., Ltd. | XYLX | ⑦ |
| China Mainland | Ningbo Guangzhui Fastener Co., Ltd. | GZ | ⑧ |
| China Mainland | Jinan Star Fastener Co., Ltd. | 01RL | ② |
| America | Rooke Manufacturing Co. | 01QR | ② |
| America | Copper State Bolt & Nut Co. | CSB | ② |
| China Mainland | Ningbo Jinwei Group | 01TD | ② |
| China Mainland | Tianjin Sien Machinery Equipment Co., Ltd. | TSN | ⑧ |
| China Mainland | Zhoushan Haiyue Auto Parts Co., Ltd. |
|
⑧ |
| America | S & L Fasteners, LLC | 01XT or 01XS | ② |
| China Mainland | Handan Lianhua Fastener Co., Ltd. | GST | ⑧ |
| China Taiwan | Chen Chia Bolt Industrial Co., Ltd. | J | |
| China Taiwan | Tung Fang Accuracy Co., Ltd. | TFA | |
| China Taiwan | Yensen Technology Co., Ltd. |
|
② |
| China Mainland | Harbin STF Precision Tools Co., Ltd. | STF | ④ |
| China Mainland | Pinghu Dragon Fastener Co., Ltd. | GD | ② |
| China Mainland | Suzhou Fast Hardware Co., Ltd. |
FST 
|
⑦ |
| China Mainland | Avic Standard Parts Manufacturing Co., Ltd. |
ZHB 
|
⑧ |
| China Mainland | Shaoxing Weili Fastener Co., Ltd. | LK | ⑧ |
| China Mainland | Shanghai Welfast Enterprise Co., Ltd. | RG | ⑧ |
| India | SKS Fastners Ltd. | 01XI | ② |
| China Taiwan | Intone Industrial Co., Ltd. |
01ED or 01EC 
|
② |
| America | Crescent Manufacturing Co. | CM | ② |
| China Mainland | Ningbo Huazhi High Intensity Fastener Manufacture Co., Ltd. | HZ | ⑧ |
| China Mainland | Ningbo Mingzhu Fastener Manufacturing Co., Ltd. | NBMZ | ⑦ |
| China Mainland | Dongfeng Motor Parts And Components Group Co., Ltd. | EQ | ⑦ |
| China Mainland | Hangzhou Tongyu Machinery Co., Ltd. | T+ | ④ |
| China Taiwan | Homn Reen Enterprise Co., Ltd. | HR | |
| America | Parker Fasteners, LLC |
|
② |
| China Mainland | Zhejiang Ruikeda Technology Co., Ltd. | KK | ⑧ |
| China Mainland | Shaanxi Haifeng Petroleum Machinery Manufacturing Co., Ltd. |
|
⑧ |
| America | Texas Coldheaders Inc. | TC | ② |
| China Mainland | Qingdao Gaoqiang Fastener Co., Ltd. |
ZV 
|
⑧ |
| America | Renegade Industrial Supply LLC | 01WR | ② |
| China Mainland | Ningbo Dazhi Machinery Technology Co., Ltd. |
|
⑧ |
| China Taiwan | Sheh Fung Screws Co., Ltd. | S | |
| China Taiwan | Fong Wuns Co., Ltd. | F/// | |
| China Mainland | Jienao Materials Trade Co., Ltd. |
STG 
|
⑦ |
| America | PAI Industries, Inc. | PAI | ② |
| America | Industrial Rivet & Fastener Co. |
|
② |
| China Mainland | Jiangsu Huke Fastening System Technology Co., Ltd. |
|
⑧ |
| America | Birmingham Fastener & Supply Inc. | BF | ② |
| China Mainland | Xuzhou Hui Li Gao Qiang Standard Component Co., Ltd. |
|
⑧ |
| China Mainland | Hefei Chuangqing Metal Products Co., Ltd. |
|
③ |
| China Mainland | Guangzhou Fast Precise Hardware Co., Ltd. | FT | ⑤ |
| China Mainland | Handan Xinzhongsheng Fastener Manufacturing Co., Ltd. | HDZS | ⑥ |
| China Mainland | Changshu Pengsheng Metal Products Co., Ltd. | PS | ⑧ |
| China Taiwan | Patta International Limited | PATTA® | |
| China Mainland | Shenyang Huiteng Machinery Co., Ltd. | H&T | ⑧ |
| China Mainland | Urumqi Zhongxuan Fastener Co., Ltd. | XJ | ⑧ |
| America | Hexagon Industries, Inc. |
|
② |
| China Mainland | Shenyang Sanrun Fastener Manufacturing Co., Ltd. |
SR 
|
⑧ |
| China Taiwan | Fang Sheng Screw Co., Ltd. (YFS) | YFS | |
| China Taiwan | Lih Ta Fasteners Co., Ltd. | 01PM | ② |
| China Mainland | Henan Guotai Bogu Technology Co., Ltd. |
|
⑧ |
| China Mainland | Aerospace Precision Products Co., Ltd. | DH | ⑧ |
| China Mainland | Yikai Holdings (Qingdao) Group Co., Ltd. |
牛紧 
|
⑧ |
| China Mainland | Zhangjiagang City Jinli Standard Fastener Co., Ltd. | LSJZ or 01XA | ② |
| America | Conformance Fasteners | 01HO | ② |
| China Mainland | Fujian Tuoke High Strength Standard Parts Co., Ltd. | SH | ⑧ |
| America | Houston Wire & Cable Compnay | PMC | ② |
| China Mainland | Shanghai Xiangrui Fastener Co., Ltd. |
XR 
|
⑧ |
| America | Asia Fastening (US) Inc |
|
② |
| China Mainland | Shenzhen Jianyue Industrial Fasteners Co., Ltd. | SJY | 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];
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];