| Country or Region | Company | Symbol | Note |
|---|---|---|---|
| China Mainland | Changshu Taoyuan Auto Parts Manufacturing Co., Ltd. | YD-8 | ⑥ |
| China Mainland | Zhejiang Donggeng Metalware Co., Ltd. |
|
⑥ |
| China Mainland | Shanghai Caifu Machinery Co., Ltd. |
TK 
|
⑥ |
| China Mainland | Zhejiang Jiahe Automobile Parts Co., Ltd. |
|
⑥ |
| China Mainland | Zhejiang Gemcai Metal Product Co., Ltd. | GEM | ④ |
| America | Albany Steel and Brass Corp. |
ASB 
|
② |
| China Mainland | Gem-year Industrial Co., Ltd. |
CYI 
|
⑥ |
| China Mainland | Shenzhen Winjoin Industrial Technology Co., Ltd. |
WZ 
|
⑥ |
| China Mainland | Guangdong Huayue General Machinery Co., Ltd. / Guangdong Minghao High Strength Fasteners Co., Ltd. | MM | ⑥ |
| Japan | Okabe Co., Inc. |
|
② |
| China Mainland | Arnold Fasteners (Shenyang) Co., Ltd. | AFS | ① |
| China Mainland | Shenyang LeDongQi Commercial and Trade Co., Ltd. | DK | ① |
| China Mainland | Shenyang Tools Standard Parts Manufacturing Co., Ltd. | BG | ⑥ |
| China Mainland | Changshu Fuxi Mechanical Components Manufacturing Co., Ltd. | CIS | ⑥ |
| China Mainland | Shandong Gaoqiang Fastener Co., Ltd. |
|
⑥ |
| America | Extreme Bolt & Fastener, LLC | XBF | ② |
| China Mainland | Dingxi High Strength Fastener Co., Ltd. | NS | ⑥ |
| America | R.B. Industries, Inc. |
|
② |
| America | Ingram Industries Inc. DBA Coloc Mfg |
|
② |
| China Mainland | Beijing Port City Petrochemical Equipment Parts Co., Ltd. | GCS | ⑥ |
| China Mainland | Shenyang Sanrun Fastener Manufacturing Co., Ltd. |
SR 
|
⑥ |
| America | Aerotech Fasteners, Inc. |
|
② |
| China Mainland | Tropss (Shanghai) Industry Service Co., Ltd. | TFS | ⑥ |
| China Mainland | Guangdong Shixi Fastener Technology Co., Ltd. | ALi | ① |
| China Taiwan | Ching Chan Optical Technology Co., Ltd. | CCM | |
| China Mainland | Jienao Materials Trade Co., Ltd. |
STG 
|
⑥ |
| America | Parker Fasteners, LLC |
|
② |
| China Taiwan | Thread Industrial Co., Ltd. | ticl | |
| America | Magnolia Bolt, Inc. | 01VE | ② |
| China Mainland | Shenzhen Sheng Gu Te Metal Products Co., Ltd. | SGT | ⑥ |
| China Mainland | Baoji Yunhai Standard Parts Co., Ltd. | YP | ④ |
| China Mainland | Ningbo Economic & Technical Development Zone Yonggang Fasteners Co., Ltd. | NY | ⑥ |
| China Mainland | Guangzhou Shangyi Machinery Co., Ltd. | GSY or YSY | ⑥ |
| America | Industrial Rivet & Fastener Co. |
|
② |
| China Mainland | Würth International Trading (Shanghai) Co., Ltd. |
|
⑥ |
| China Mainland | Yixing MingYing Standard Parts Co., Ltd. | ES | ⑥ |
| America | Valley Forge & Bolt Manufacturing Company |
|
② |
| China Mainland | Ningbo Eastport Fastener Manufacturing Co., Ltd. Shiyan Branch | SNDG | ⑥ |
| China Mainland | Aerospace Precision Products Co., Ltd. | DH | ⑥ |
| America | DB Fasteners Limited | 01XN | ② |
| China Mainland | Jiaxing Shuo yuan Fastener Manufacturing Co., Ltd. | JSY | ④ |
| China Taiwan | Rexlen Corporation | 01LP | ② |
| China Mainland | Jiaxing Delei Hardware Products Co., Ltd. |
|
⑥ |
| Canada | J. Lanfranco Fastener Systems Inc. | JL | ② |
| China Mainland | Jiangsu Golden Ocean New Energy Technology Co., Ltd. | JHGF | ⑥ |
| China Taiwan | Kuo Chen Mold Co., Ltd. | KC | |
| China Taiwan | OFCO Industrial Corp | OF | ② |
| China Mainland | Taizhou Jingcui Metal Technology Co., Ltd. | J-C | ⑥ |
| America | Best Quality Fasteners | BQF | ② |
| China Mainland | Beiersdorf Industrial Technology (Shanghai) Co., Ltd. |
BFSH 
|
⑥ |
| America | Locknut Technology, Inc. |
|
② |
| China Mainland | Tianjin Century Jiulong Fastener Manufacturing Co., Ltd. | J.L | ⑥ |
| China Mainland | Zhejiang Delei Wind Energy Technology Co., Ltd. |
|
⑥ |
| America | Space City Screw & Mfg. Inc. | 01FF | ② |
| China Mainland | Shenzhen Aerofasteners Mfg. Co., Ltd. | 3L | ⑥ |
| China Taiwan | Fang Yi Precision Fixture Enterprise Co., Ltd. | FY | |
| China Taiwan | Hwang Shiang Ind. Co., Ltd. | H | |
| China Mainland | Suzhou Xinkai Fasteners System Co., Ltd. | XK | ⑥ |
| China Mainland | Ningbo ECO-FASTENING Industry Supply Co., Ltd. | EFI | ④ |
| China Mainland | Mingzhan Aviation Technology (Hangzhou) Co., Ltd. | MAT | ⑥ |
| China Mainland | Dalian Hengping Precision Fasteners Co., Ltd. |
SEA 
|
⑥ |
| China Mainland | Hubei Boshida Technology Development Co., Ltd. | BSD | ① |
| China Mainland | Ningbo Junli Fasteners Manufacturing Co., Ltd. | GS | ⑥ |
| China Mainland | Ningbo Beilun Lisan Stainless Steel Prod. Co., Ltd. | 01RY | ② |
| China Taiwan | Fastener Da Taiwan Industry Co., Ltd. | FDT | |
| China Mainland | Chengdu Chengwei Precision Machinery Manufacturing Co., Ltd. |
CW 
|
⑥ |
| America | S & L Fasteners, LLC | 01XT or 01XS | ② |
| China Mainland | Longqiang Fastener Co., Ltd. |
|
⑥ |
| China Mainland | Hebei Hanwang Stainless Steel Products Co., Ltd. | HW | ⑤ |
| America | Doxsteel Fasteners | DOX or DOX-STEEL | ② |
| South Korea | KPF Co., Ltd. |
|
② |
| China Mainland | Bofeng Automotive Parts Technology Co., Ltd. | BF | ① |
| China Mainland | Xian Aerospace-Huayang Mechanical & Electrical Equipment Co., Ltd. | HH | ④ |
| China Mainland | Chia Sing Fasteners Industrial Suzhou Co., Ltd. | 01PH | ② |
| China Mainland | Guangdong Zisheng Electric Power Equipment Co., Ltd. | ZS | ① |
| China Mainland | Yangzhou Sanjiao Fastener Co., Ltd. | SNX | ⑤ |
| China Mainland | Ningbo Echo Fastener Co., Ltd. | EF | ⑥ |
| China Mainland | Ningbo Dongnan High Strength Fasteners Co., Ltd. |
|
⑥ |
| China Mainland | Ningbo Jingwei Fastener Co., Ltd. | JV | ⑥ |
| China Mainland | Ningbo Guangzhui Fastener Co., Ltd. | GZ | ⑥ |
| China Mainland | Handan Shuoxi Fastener Co., Ltd. | HDSSX | ⑥ |
| China HongKong | IFI & Morgan Ltd. |
|
② |
| China Mainland | Hangzhou Datong Three Generation Technology Co., Ltd. | HJ or B | ⑥ |
| China Mainland | Ningbo Yibaicheng Fastener Co., Ltd. | YBC | ⑥ |
| China Taiwan | Qst International Corp. |
|
② |
| China Mainland | Gem-Year Logistics Co., Ltd. | GY | ⑥ |
| Malaysia | Tong Heer Fasteners Co., Sdn. Bhd. | THE or TONG | |
| China Mainland | Henan Guotai Bogu Technology Co., Ltd. |
|
⑥ |
| Brazil | Fibam Companhia Industrial |
|
② |
| China Taiwan | Wenley Trading Co., Ltd. | gleitmo or Fuchs | |
| America | Universal Precision Screws | UPSL or UPSI | ② |
| China Taiwan | Xing Man Co., Ltd. |
|
|
| China Mainland | Hunan Hongyu Intelligent Manufacturing Co., Ltd. | PIP | ③ |
| China Mainland | Tianjin Kaide Fastener Manufacturing Co., Ltd. | 凯德 or KD | ⑥ |
| China Mainland | Zhejiang Jinba Electric Power Parts Co., Ltd. |
|
⑥ |
| China Mainland | Ningbo Xinderun Standard Parts Co., Ltd. | XDR | ⑥ |
| China Taiwan | Vim International Enterprise Co., Ltd. | VIM | |
| China Mainland | Lony Yan Shi Rong Yao Ji Xie Gong Ye Co., Ltd. |
|
⑥ |
| China Mainland | Shanghai Yuandong High-strength Fastener Co., Ltd. | YD | ① |
| China Mainland | Haiyan Roc-Master Corrosion Resistant Fastener Technology Co., Ltd. |
RM 
|
① |
| Italy | Vimi Fasteners S.P.A | 01WY | 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];
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];