| Country or Region | Company | Symbol | Note |
|---|---|---|---|
| China Mainland | Liaoning Xingyi Machinery Manufacturing Co., Ltd. | XYJX | ⑤ |
| America | Space-Lok, Inc. | SLI | ② |
| China Mainland | Gongxiong Intelligent Technology(Jiangsu) Co., Ltd. |
GYX 
|
⑤ |
| China Mainland | Raychin Limited |
RC 
|
⑤ |
| China Mainland | Zhangjiagang Sanjiang Standard Component Co., Ltd. | ZSJ | ⑤ |
| China Mainland | Zhejiang Ruikeda Technology Co., Ltd. | KK | ⑤ |
| China Mainland | Handan Yanzhao Fastener Manufacturing Co., Ltd. | YZ | ⑤ |
| China Mainland | Ningbo Mookids International Trade Co., Ltd. | MXF | ⑤ |
| China Mainland | Jinan Star Fastener Co., Ltd. | 01RL | ② |
| China Mainland | Guangzhou Shangyi Machinery Co., Ltd. | GSY or YSY | ⑤ |
| China Mainland | Hebei Goodfix Hardware Manufacture Co., Ltd. |
|
⑤ |
| China Mainland | Hebei Hanwang Stainless Steel Products Co., Ltd. | HW | ⑤ |
| America | South Texas Fasteners & Supplies, Inc. |
|
② |
| China Mainland | Wuxi Standard Parts Factory Co., Ltd. | XS | ⑤ |
| China Mainland | Henan Aerospace Precision Machining Co., Ltd. | HT | ⑤ |
| China Mainland | Wuxi Anshida Hardware Co., Ltd. | ASD | ⑤ |
| China Mainland | Sichuan Jianyang Sanhe Standard Parts Co., Ltd. |
JB 
|
① |
| China Mainland | Jinan Star Fastener Co., Ltd. | PB or STAR | ⑤ |
| China Mainland | Luoyang Locomotive and Rolling Stock Parts Co., Ltd. | LW | ④ |
| China Taiwan | Ming Dar Precision Industrial Co., Ltd. | MD | |
| China Taiwan | Lotus Hardware Co., Ltd. | HP | |
| China Mainland | Changshu Fuxi Mechanical Components Manufacturing Co., Ltd. | CIS | ⑤ |
| America | Automotive Racing Products, Inc. | L-19 or 2000 or PERMALOC or WAVE-LOC or ARP | ② |
| China Mainland | Wenzhou Shengchuang Hardware Co., Ltd. |
SCR 
|
⑤ |
| China Mainland | Shanghai Yuandong High-strength Fastener Co., Ltd. | YD | ① |
| China Mainland | Ningbo Puhe High Strength Fasteners Co., Ltd. |
NBPH 
|
⑤ |
| China Mainland | Jiangsu Ying Yan Fastening System Technology Co., Ltd. |
|
⑤ |
| China Mainland | Hangzhou Lihuahuang Industrial Co., Ltd. | SM | ⑤ |
| America | TurnaSure LLC |
TURNASURE 
|
② |
| China Mainland | Ningbo Time Auto Parts Co., Ltd. | TF | ⑤ |
| China Mainland | Ningbo Luoli High Strength Fasteners Co., Ltd. |
|
⑤ |
| China Mainland | Ningbo Guangzhui Fastener Co., Ltd. | GZ | ⑤ |
| China Mainland | Shanghai Lock&Lock Trade Co., Ltd. | LK | ① |
| China Mainland | Sichuan Haifeng Fasteners Manufacturing Co., Ltd. | HFF | ⑤ |
| China Mainland | Chun Yu (Dongguan) Metal Products Co., Ltd. | CY | ⑤ |
| China Mainland | Finework（Hunan）New Energy Technology Co., Ltd. | FW | ⑤ |
| China Mainland | Ningbo Zhenhai Xingyi Fasteners Co. Ltd. | XYLX | ② |
| America | Solution Industries LLC | 01XH | ② |
| America | Vamp Screw Products Company | VP | ② |
| China Mainland | Shandong Guochuang Precision Machinery Co., Ltd. |
LM 
|
⑤ |
| China Mainland | Shenzhen Jianyue Industrial Fasteners Co., Ltd. | SJY | ⑤ |
| China Mainland | Harbin STF Precision Tools Co., Ltd. | STF | ④ |
| China Mainland | Wuxi Bengu Hardware Products Co., Ltd. | BGB | ⑤ |
| China Mainland | Liaoning Shiqiang Machinery Manufacturing Co., Ltd. | SQ | ⑤ |
| Germany | Profil Verbindungstechnik GmbH & Co. KG |
PROFIL 
|
② |
| China Mainland | Shenyang LeDongQi Commercial and Trade Co., Ltd. | DK | ① |
| China Mainland | Zhangjiagang City Jinli Standard Fastener Co., Ltd. | LSJZ or 01XA | ② |
| China Mainland | Hangzhou Jiaxiang Gaoqiang Bolts Co., Ltd. | HYZ | ⑤ |
| China Mainland | Shenyang Dongyi Machinery Manufacturing Co., Ltd. | D | ⑤ |
| China Mainland | Yikai Holdings (Qingdao) Group Co., Ltd. |
牛紧 
|
⑤ |
| China Mainland | Ningbo Zhongjing Electric Technology Co., Ltd. / Ningbo Zhongjing United Technology Industry Co., Ltd. | ZJ or JZ | ⑤ |
| China Mainland | Shanxi Jianke Fangyuan Auto Parts Co., Ltd. |
|
⑤ |
| America | I Q Nut & Bolt | 01WM | ② |
| China Mainland | Guangdong STL Fastening System Co., Ltd. | VK | ⑤ |
| America | Champion Bolt, Inc. | 01WO | ② |
| China Mainland | Jiashan Yixiang Hardware Co., Ltd. | JXYX | ⑤ |
| China Mainland | WASI Tianjin Fastener Co., Ltd. Jinnan Branch | WS | ⑤ |
| China Taiwan | Ray Fu Enterprise Co., Ltd. | 01XD | ② |
| America | Industrial Nut Corp. |
INC 
|
② |
| China Mainland | Henan Hangshen Electromechanical Equipment Co., Ltd. | HAS | ⑤ |
| America | Rockford Bolt & Steel Co. | 01AE | ② |
| China Mainland | Langfu Locking Measure Technology Co., Ltd. | LF | ⑤ |
| China Taiwan | Newfast Co., Ltd. | NW | |
| China Mainland | Beijing Port City Petrochemical Equipment Parts Co., Ltd. | GCS | ⑤ |
| China Mainland | Hangzhou Hualing Steel Structure High-tensile Bolts Co., Ltd. |
|
⑤ |
| China Mainland | Beijing Sinoars Stud Welding Co., Ltd. | SINOARS | ⑤ |
| China Mainland | Mingzhan Aviation Technology (Hangzhou) Co., Ltd. | MAT | ⑤ |
| America | Sunpack of Pensacola, Inc. | 01XP | ② |
| China Mainland | Yixing MingYing Standard Parts Co., Ltd. | ES | ⑤ |
| China Mainland | Shanghai Dongfeng Special Auto Fittings Co., Ltd. | SD | ⑤ |
| China Mainland | Shanghai Xiangsheng Fastener Co., Ltd. |
Y.H 
|
⑤ |
| China Mainland | Ningbo Guangli Fasteners Co., Ltd. | NBGLC | ⑤ |
| China Mainland | Jiaxing Delei Hardware Products Co., Ltd. |
|
⑤ |
| America | Qualified Fasteners Inc. | 01JA | ② |
| China Mainland | Anhui Ruihe Railway Fastener Technology Co., Ltd. | RH | ⑤ |
| China Mainland | Zhejiang Donggeng Metalware Co., Ltd. |
|
⑤ |
| China Mainland | Likong Equipment (Jiangsu) Co., Ltd. | LKC | ⑤ |
| America | Conformance Fasteners | 01HO | ② |
| China Mainland | Suzhou YNK Fastener Co., Ltd. |
|
① |
| America | Wyandotte Industries, Inc. |
|
② |
| China Mainland | Zhejiang Fasina Intelligent Technology Co., Ltd. | FSN | ⑤ |
| China Mainland | Nanjing Guoqiang Fastener Manufacturing Co., Ltd. | NGQ | ⑤ |
| China Taiwan | People FasTech Enterprise | P | |
| China HongKong | IFI & Morgan Ltd. |
|
② |
| America | Rohder Machine & Tool, Inc. |
|
② |
| China Mainland | Chengdu Jinchengbiao High-Strength Fasteners Manufacturing Co., Ltd. | CJB | ⑤ |
| China Mainland | Ningbo Eastport Fastener Manufacturing Co., Ltd. Shiyan Branch | SNDG | ⑤ |
| America | West Coast Aerospace, Inc. |
|
② |
| China Mainland | Hunan Bygold Technology Co., Ltd. | F1 or GU | ⑤ |
| China Mainland | Jiangsu Taigu Fastener Technology Co., Ltd. | TGB | ⑤ |
| America | Akko Fastener, Inc. |
|
② |
| China Mainland | Jiaxing Weigong Fastening Technology Co., Ltd. | WG | ⑤ |
| America | Sems and Specials, Inc. | 01IG | ② |
| China Mainland | Ningbo Lingqi Hardware Industrial Co., Ltd. |
LQ 
|
⑤ |
| China Taiwan | Karat Industrial Corporation | KARAT | |
| China Mainland | Beijing Weidi Xingye Building Materials Co., Ltd. | WD | ⑤ |
| America | Metric & Multistandard Components Corp. |
MMCC 
|
② |
| China Mainland | Jiaxing Automotive Standard Parts Co., Ltd. | JQB | ⑤ |
| China Taiwan | Rexlen Corporation | 01LP | ② |
| China Mainland | Ao Zhan Industrial Co., Ltd. |
|
⑤ |
| America | Gaffney Bolt |
|
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];
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];