| Country or Region | Company | Symbol | Note |
|---|---|---|---|
| South Korea | KPF Co., Ltd. |
|
② |
| China Mainland | Hebei HUACHU Stud Welding Co., Ltd. | HUACHU | ⑥ |
| America | Industrial Rivet & Fastener Co. |
|
② |
| China Mainland | Shenyang Sanrun Fastener Manufacturing Co., Ltd. |
SR 
|
⑥ |
| China Taiwan | Zyh Yin Ent. Co., Ltd. | ZY | |
| China Mainland | Hanmu Metalware (Suzhou) Co., Ltd. | HMM | ⑥ |
| China Mainland | Jiangxi Chengde Fasteners Co., Ltd. | CF | ⑥ |
| America | Renegade Industrial Supply LLC | 01WR | ② |
| China Mainland | Handan KangLi Rigging Manufacturing Co., Ltd. | IS | ⑥ |
| China Mainland | Haiyan Roc-Master Corrosion Resistant Fastener Technology Co., Ltd. |
RM 
|
① |
| China Mainland | Xinjiang Xinbiao Standard Parts and Pump Industry Co., Ltd. | XZ | ⑥ |
| China Mainland | Ningbo Nanju Baoge Fastener Manufacturing Co., Ltd. | NBG | ⑥ |
| Germany | Kamax Holding GmbH Co. KG | KX or KAMAX or KXV or KXA | ② |
| China Mainland | Ningbo Zhenghai Baoxin High-Strength Fasteners Co., Ltd. |
NBX 
|
⑥ |
| America | Plastic Products Inc. | 01VJ | ② |
| China Mainland | Ningbo Chenda Fastener Co., Ltd. | NC | ⑥ |
| China Mainland | Shanghai Accuride Corporation | AC | ⑥ |
| China Mainland | Wenzhou Leo Fastener Co., Ltd. | LA | ① |
| China Mainland | Handan Gufeng Fastener Manufacture Co., Ltd. | GF | ⑥ |
| China Mainland | Hangzhou Lihuahuang Industrial Co., Ltd. | SM | ⑥ |
| China Mainland | Handan Deli Fasteners Co., Ltd. |
JDL 
|
⑥ |
| India | Creative Fasteners LLC | 01XV | ② |
| China Mainland | Jiangsu Standard Fasteners Co., Ltd. | JSF | ⑥ |
| China Mainland | Shijiazhuang Hadiwei Fastener Co., Ltd. | SHDW | ⑥ |
| China Taiwan | Rexlen Corporation | 01LP | ② |
| America | Fastener Dimensions, Inc. |
|
② |
| China Mainland | Zhejiang Yuejia Standard Parts Co., Ltd. | WTL | ⑥ |
| America | Texas Coldheaders Inc. | TC | ② |
| China Taiwan | VERTEX Precision Industrial Corp. |
|
|
| America | Rockford Bolt & Steel Co. | 01AE | ② |
| China Mainland | Renqiu Hongxin Fastener Co., Ltd. | HX | ⑥ |
| China Mainland | Gem-year Industrial Co., Ltd. |
CYI 
|
⑥ |
| China Mainland | Hefei Haixin Standard Component Co., Ltd. | ZX | ⑥ |
| China Mainland | Jiaxing Shuo yuan Fastener Manufacturing Co., Ltd. | JSY | ④ |
| China Mainland | Yunnan Tonghai Linhai Fasteners Co., Ltd. | LH | ⑥ |
| China Taiwan | Yuang Hsian Metal Industrial Co., Ltd. | YHM | |
| China Mainland | Jiangsu YouLuo Industrial Technology Co., Ltd. | UL | ③ |
| China Mainland | Dalian Rifeng Standard Parts Co., Ltd. | FC | ⑥ |
| China Mainland | Xuzhou Ruida High Strength Fasteners Co., Ltd. | RD | ⑥ |
| America | Albany Steel and Brass Corp. |
ASB 
|
② |
| China Mainland | Tianjin BOT Electric Power Equipment Co., Ltd. | BOT | ⑤ |
| China Mainland | Ningbo Echo Fastener Co., Ltd. | EF | ⑥ |
| America | Universal Precision Screws | UPSL or UPSI | ② |
| China Mainland | Zhejiang Jiahe Automobile Parts Co., Ltd. |
|
⑥ |
| China Taiwan | Intone Industrial Co., Ltd. |
01ED or 01EC 
|
② |
| India | SKS Fastners Ltd. | 01XI | ② |
| South Korea | Shinjin Fasteners Co., Ltd. | SJF | ② |
| America | PEM Management, Inc. |
PEM 
|
② |
| America | BEK Inc. | BEK | ② |
| China Mainland | Zhejiang QD Fastener Co., Ltd. | QD | ⑥ |
| America | C.F.F.F. Corp DBA Formed Fastener | FF | ② |
| China Mainland | Wuxi Standard Parts Factory Co., Ltd. | XS | ⑥ |
| China Mainland | Shanghai Hengtuo High Strength Fasteners Co., Ltd. |
WFX 
|
⑥ |
| China Mainland | EJOT Fastening Systems (Taicang) Co., Ltd. |
EJOT 
|
⑥ |
| America | Bay Standard Manufacturing Inc. | 01QX | ② |
| China Mainland | Shaoxing Yong'an High Voltage Fasteners Co., Ltd. |
YA 
|
① |
| America | Mac Fasteners, Inc. | 01DO | ② |
| China Mainland | Suzhou Dequan Information Technology Co., Ltd. | Q | ⑥ |
| China Mainland | Taian Jinyi Screw Co., Ltd. | TACY | ③ |
| China Taiwan | At-Home Enterprise Co., Ltd. | AH | |
| China Mainland | Nantong BMT Fastener Co., Ltd. | BMT | ⑥ |
| America | Allfasteners USA, LLC |
AFU or NG2 
|
② |
| China Mainland | Xinxiang Yongteli Fastener Manufacturing Co., Ltd. | YTL | ⑥ |
| China Mainland | Ningbo Beilun Special Fasteners Co., Ltd. |
TB 
|
⑥ |
| China Mainland | Ningbo Hexin Standard Parts Co., Ltd. |
HX.CN 
|
⑥ |
| China Taiwan | Wa Tai Industrial Co., Ltd. | W.T | |
| China Mainland | Hunan Hongyu Intelligent Manufacturing Co., Ltd. | PIP | ③ |
| China Mainland | Yikai Holdings (Qingdao) Group Co., Ltd. |
牛紧 
|
⑥ |
| China Mainland | Guangzhou Kuailuo Fastening Technology Co., Ltd. | KLL | ⑥ |
| China Mainland | Ningbo Zhenhai Xingyi Fasteners Co. Ltd. | XYLX | ② |
| China Mainland | Shanxi Front Automobile Standard Parts Co., Ltd. | FAF | ⑥ |
| China Mainland | Jishe (Shanghai) Industrial Co., Ltd. | BIA | ① |
| America | Wyandotte Industries, Inc. |
|
② |
| China Taiwan | Baohui Screw Power Bit Inc. | CORKING | |
| China Mainland | Hebi Gaoqiang Fasteners Co., Ltd. |
|
⑥ |
| China Mainland | Hebei Zhuonai'en Hardware Products Co., Ltd. | ZNE | ⑥ |
| China Mainland | Jiangsu Fengye Hardware Technology Co., Ltd. | SUSF | ⑥ |
| China Mainland | Mindu Fastener Manufacturing Co., Ltd. |
闽都 
|
⑥ |
| China Mainland | Haiyan Hongrun Fastener Co., Ltd. | HRF | ⑥ |
| China Mainland | Suzhou Jofae Agricultural Machinery Co., Ltd. | JF | ⑥ |
| China Mainland | Haiyan Yuxing Nuts Co., Ltd. | SJH | ① |
| China Mainland | Shanghai Qunli Fastener Manufacture Co., Ltd. |
SQL 
|
⑥ |
| China Mainland | Zhejiang Goodnail Fastener Manufacturing Co., Ltd. | GEN | ⑥ |
| China Taiwan | ChuanHong Precision MFG. Co., Ltd. | CHG | |
| America | Bay Area Screw & Supply Co., Inc. | 01RR | ② |
| China Taiwan | OFCO Industrial Corp | OF | ② |
| China Mainland | Arnold Fasteners (Shenyang) Co., Ltd. | AFS | ① |
| China Mainland | Shanghai Yiao Fastener Co., Ltd. | SYA | ① |
| China Mainland | Shenyang Futian Fasteners Co., Ltd. |
|
⑥ |
| China Mainland | Zhuzhou Hadiwei Fasteners Co., Ltd. |
LZ 
|
③ |
| China Taiwan | Fu Hui Screws Industry Co., Ltd. | FH | |
| China Taiwan | China Amigo International Co., Ltd. | AMIGO or LEGATE | |
| America | Markins Enterprise, LLC | 01YC | ② |
| America | Asia Fastening (US) Inc |
|
② |
| China Mainland | Sichuan Difu Precision Engineering Technology Co., Ltd. | DFCAL | ⑥ |
| China Mainland | Zhejiang Sanlin Metals Products Co., Ltd. |
SAN 
|
⑥ |
| China Mainland | Kinfast Hardware(Shenzhen) Co., Ltd. | 9k or 久K | ⑥ |
| China Mainland | Jinan Star Fastener Co., Ltd. | PB or STAR | ⑥ |
| China Mainland | Shanghai Lock&Lock Trade Co., Ltd. | LK | ① |
| China Taiwan | Wattson Fastener Group Inc. | WF | |
| China Mainland | Hubei Heng Yi Automotive Fasteners Co., Ltd. | EG | 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];