| Country or Region | Company | Symbol | Note |
|---|---|---|---|
| China Mainland | Taizhou Hesheng Stainless Steel Co., Ltd. | XSS | ⑥ |
| China Taiwan | Zonbix Enterprise Co., Ltd. | ZNB | |
| China Mainland | Liaoning Xingyi Machinery Manufacturing Co., Ltd. | XYJX | ⑥ |
| China Mainland | Xuancheng Pinsen Metal Products Co., Ltd. | PIN | ⑥ |
| America | Gaffney Bolt |
|
② |
| China Mainland | Harbin Beifang Standard Parts Co., Ltd. | HBF | ⑥ |
| China Taiwan | Atotech Taiwan Limited | ATOTECH | |
| China Mainland | Shandong Botai Import and Export Co., Ltd. | BTC | ⑥ |
| China Mainland | Guiyang Huafeng Aviation Technology Co., Ltd. | h | ⑥ |
| China Mainland | Hangzhou Jinyi Fastener Co., Ltd. | DE | ⑥ |
| China Mainland | Wuhan Guanxiong Hardware Co., Ltd. | GX | ⑥ |
| China Taiwan | Super Cheng Industrial Co., Ltd. |
|
② |
| China Taiwan | U-Chance Autoparts Co. | YCH | |
| China Mainland | Handan Shuoxi Fastener Co., Ltd. | HDSSX | ⑥ |
| China Mainland | Handan Hualong Fastener Co., Ltd. | HL | ⑥ |
| America | Anolda Enterprises, LLC | 01XZ | ② |
| China Taiwan | Linkwell Industry Co., Ltd. |
|
② |
| America | ITW - Illinois Tool Work Inc. |
|
② |
| China Mainland | ASME Fastener Manufacturing (Wuxi) Co., Ltd. | ASM | ⑥ |
| America | Mid West Fabricating Company |
|
② |
| China Mainland | Langfu Locking Measure Technology Co., Ltd. | LF | ⑥ |
| China Taiwan | Baohui Screw Power Bit Inc. | CORKING | |
| China Mainland | Yuanwei (Tianjin) Industrial Parts Co., Ltd. | LS | ⑥ |
| America | System 22, Inc. |
|
② |
| China Mainland | Longqiang Fastener Co., Ltd. |
|
⑥ |
| China Mainland | Suzhou Xinling Electric Furnace Co., Ltd. | XL | ⑥ |
| China Mainland | Jiaxing Delei Hardware Products Co., Ltd. |
|
⑥ |
| China Mainland | Haiyan Hongmao Hardware Products Co., Ltd. | HM | ⑥ |
| China Mainland | Hebei Hanwang Stainless Steel Products Co., Ltd. | HW | ⑤ |
| China Mainland | Jiashan Yixiang Hardware Co., Ltd. | JXYX | ⑥ |
| America | Rolled Threads Unlimited, LLC | RTU | ② |
| China Mainland | Beijing Weidi Xingye Building Materials Co., Ltd. | WD | ⑥ |
| America | RX Industrial Corp. | 01LO | ② |
| America | Ameribolt, Inc. |
|
② |
| China Mainland | Quzhou Tianli Fasteners Co., Ltd. | SC | ⑥ |
| China Mainland | Shandong Meiling Chemical Equipment Co., Ltd. |
ML 
|
⑥ |
| China Mainland | Shijiazhuang Hadiwei Fastener Co., Ltd. | SHDW | ⑥ |
| China Mainland | Leng Shui Jiang Tian Bao Industrial Co., Ltd. | TBF | ⑥ |
| China Taiwan | KeiUi International Co., Ltd. |
KU or KeiUi 
|
|
| China Mainland | Boai Mingchuang Nonferrous Standard Parts Co., Ltd. | MC | ⑥ |
| China Mainland | Shanghai Jingheng Industrial Co., Ltd. | JH | ① |
| China Taiwan | Chia Sing Screw Industrial Co., Ltd. | 01PJ | ② |
| America | Lock Fastener Co., Ltd. | 01JB | ② |
| China Mainland | Chongqing Standard Parts Industry Co., Ltd. Chongqing Standard Parts Factory Branch |
cb 
|
⑥ |
| China Mainland | Hubei Heng Yi Automotive Fasteners Co., Ltd. | EG | ⑥ |
| China Mainland | Würth (China) Co., Ltd. |
|
⑥ |
| China Mainland | Guangdong Shixi Fastener Technology Co., Ltd. | ALi | ① |
| China Mainland | Zhejiang Xinjiuli Wind Energy Equipment Parts Co., Ltd. | JLi | ⑥ |
| China Taiwan | VERTEX Precision Industrial Corp. |
|
|
| China Mainland | Shenzhen Jianyue Industrial Fasteners Co., Ltd. | SJY | ⑥ |
| China Mainland | Avic Standard Parts Manufacturing Co., Ltd. |
ZHB 
|
⑥ |
| China Mainland | Handan Deli Fasteners Co., Ltd. |
JDL 
|
⑥ |
| America | Fontana Fastners, Inc.(USA) |
|
② |
| America | Steel City Bolt and Screw, LLC |
|
② |
| Malaysia | Tong Heer Fasteners Co., Sdn. Bhd. | THE or TONG | |
| Thailand | Bangkok Fastening Co., Ltd. | KEF or 01XW | ② |
| China Mainland | Arnold Fasteners (Shenyang) Co., Ltd. | AFS | ① |
| China Taiwan | Wenley Trading Co., Ltd. | gleitmo or Fuchs | |
| China Mainland | Wuxi No.2 Standard Pieces Manufacturing Co., Ltd. | EB | ⑥ |
| China Mainland | Shandong Gaoqiang Fastener Co., Ltd. |
|
⑥ |
| China Mainland | Wuxi Jin Zhongyuan Machinery Co., Ltd. | JZY | ⑥ |
| America | Estate Winery Products, Inc | GENERAZION | ② |
| China Mainland | Shenzhen Aerofasteners Mfg. Co., Ltd. | 3L | ⑥ |
| Italy | Vimi Fasteners S.P.A | 01WY | ② |
| China Mainland | Sichuan Jianyang Sanhe Standard Parts Co., Ltd. |
JB 
|
① |
| China Mainland | Xuzhou Hui Li Gao Qiang Standard Component Co., Ltd. |
|
⑥ |
| China Mainland | Zhejiang Fasina Intelligent Technology Co., Ltd. | FSN | ⑥ |
| China Mainland | Handan KangLi Rigging Manufacturing Co., Ltd. | IS | ⑥ |
| China Mainland | Changshu Fuxi Mechanical Components Manufacturing Co., Ltd. | CIS | ⑥ |
| China Mainland | Ningbo Jinding Fastening Piece Co. Ltd. | JDF | ② |
| China Mainland | Finesun Intelligent Technology (Shanghai) Co., Ltd. |
FS 
|
⑥ |
| China Mainland | Shanghai Xiangsheng Fastener Co., Ltd. |
Y.H 
|
⑥ |
| China Mainland | Jiangsu Ningxin Automotive Parts Co., Ltd. | JNX | ⑥ |
| China Mainland | Ningbo Lingqi Hardware Industrial Co., Ltd. |
LQ 
|
⑥ |
| China Mainland | Ningbo Lingyi International Trade Co., Ltd. | NA | ⑥ |
| China Mainland | Likong Equipment (Jiangsu) Co., Ltd. | LKC | ⑥ |
| China Mainland | Hangzhou Hualing Steel Structure High-tensile Bolts Co., Ltd. |
|
⑥ |
| China Taiwan | Chang Hsiung Factory Co., Ltd. | CHF | |
| China Mainland | Zhangjiagang Sanjiang Standard Component Co., Ltd. | ZSJ | ⑥ |
| China Mainland | Hanmu Metalware (Suzhou) Co., Ltd. | HMM | ⑥ |
| China Taiwan | Tycoons Group Enterprise Co., Ltd. | T or TY | |
| China Mainland | Henan Hebai Fastener Manufacturing Co., Ltd. | H | ⑥ |
| China Mainland | Shanghai Chianfu Fastener Manufacturing Co., Ltd. | VGS | ⑥ |
| America | Atlanta Rod & Manufacturing, Inc. | ATLROD | ② |
| China Mainland | Jiangsu Huyue Standard Parts Co., Ltd. |
H·Y 
|
⑥ |
| China Mainland | Shanghai Guanglve Technology Development Co., Ltd. |
TANDL 
|
⑥ |
| America | Long-Lok Fasteners Corporation | LL | ② |
| China Taiwan | Tycoons Group Enterprise Co., Ltd. | TY | ② |
| China Mainland | Tianjin Sien Machinery Equipment Co., Ltd. | TSN | ⑥ |
| America | Plastic Products Inc. | 01VJ | ② |
| China Mainland | Jiangsu Saifule Metal Products Manufacturing Co., Ltd. | ZHY | ⑥ |
| China Mainland | Zhangjiagang Qiangli Standard Parts Co., Ltd. | ZQ | ⑥ |
| China Mainland | Yuyao Xintai Hardware Co., Ltd. |
|
⑥ |
| China Taiwan | Lotus Hardware Co., Ltd. | HP | |
| America | Akko Fastener, Inc. |
|
② |
| China Mainland | Anyang Bote Fasteners Co., Ltd. |
AYLT 
|
⑥ |
| China Mainland | Handan Feida Standard Fastener Factory | FD | ⑥ |
| China Mainland | Jinan Star Fastener Co., Ltd. | 01RL | ② |
| China Taiwan | Yi Tai Shen Co., Ltd. | YTS | |
| China Taiwan | Qst International Corp. |
|
② |
| China Mainland | Hebei Bondewei Import and Export Trading Co., Ltd. | BD | 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];