| Country or Region | Company | Symbol | Note |
|---|---|---|---|
| China Mainland | Zhengzhou Hanghu Electronic Technology Co., Ltd. | HHD | ⑥ |
| China Mainland | Shanghai Shenguang High Strength Bolts Co., Ltd. |
SG 
|
⑥ |
| China Mainland | Haiyan Hongrun Fastener Co., Ltd. | HRF | ⑥ |
| America | Sems and Specials, Inc. | 01IG | ② |
| China Mainland | Handan Feite Metal Products Co., Ltd. | DTD | ⑥ |
| China Mainland | Beijing Weidi Xingye Building Materials Co., Ltd. | WD | ⑥ |
| America | Valley Forge & Bolt Manufacturing Company |
|
② |
| China Mainland | Nantong Lock Fastener Manufacturing Co., Ltd. |
|
⑥ |
| America | I Q Nut & Bolt | 01WM | ② |
| China Mainland | Shanghai Zhengao Automobile Technology Co., Ltd. | ZG | ⑥ |
| China Mainland | Shenyang Boyan Industry Co., Ltd. | BYC | ⑥ |
| China Mainland | Xinghua Yongzheng Stainless Steel Products Co., Ltd. | XHYZ | ⑥ |
| China Mainland | Hebei Wuwei Aero&power Technology Co., Ltd. |
|
⑥ |
| China Mainland | Jingjiang Feitian Fasteners Manufacture Co., Ltd. | FTC | ⑥ |
| America | Automotive Racing Products, Inc. | L-19 or 2000 or PERMALOC or WAVE-LOC or ARP | ② |
| China Mainland | Shanghai Zhanyi Industrial Co., Ltd. |
|
⑥ |
| China Mainland | Taizhou Fengye Metal Products Co., Ltd. | SUS | ⑥ |
| China Mainland | Shaoxing Sunnyi High Strength Fastener Co., Ltd. |
SN 
|
⑥ |
| America | Industrial Rivet & Fastener Co. |
|
② |
| China Mainland | Fangyuan Group Co., Ltd. | FY | ⑥ |
| China Taiwan | Chen Chia Bolt Industrial Co., Ltd. | J | |
| China Mainland | Wenhou Keteng Fasteners Co., Ltd | KTF | ② |
| America | C.F.F.F. Corp DBA Formed Fastener | FF | ② |
| America | Elgin Fastener Group LLC | CP or QB | ② |
| China Mainland | Xianyang Juli Petroleum Machinery Manufacturing Co., Ltd. |
|
⑥ |
| China Mainland | Yuzhe Precision Fastener Technology (Shanghai) Co., Ltd. | ESL | ⑥ |
| America | Copper State Bolt & Nut Co. | CSB | ② |
| China Mainland | Wenzhou Good Fastener Co., Ltd. |
K1 
|
⑤ |
| China Mainland | Langfu Locking Measure Technology Co., Ltd. | LF | ⑥ |
| China Mainland | Ningbo Lingqi Hardware Industrial Co., Ltd. |
LQ 
|
⑥ |
| China Taiwan | Jin Chong Screw Industry Co., Ltd. |
|
② |
| China Mainland | Hunan Shenlian Standard Pieces Co., Ltd. | MEV | ⑥ |
| China Mainland | Nanjing Guoqiang Fastener Manufacturing Co., Ltd. | NGQ | ⑥ |
| China Mainland | Haiyan Huasheng Fasteners Co., Ltd. | 人 or 中 | ⑥ |
| America | ATF, Inc. |
|
② |
| China Mainland | Jiangsu Ying Yan Fastening System Technology Co., Ltd. |
|
⑥ |
| China Mainland | Wuxi Standard Parts Factory Co., Ltd. | XS | ⑥ |
| America | Alloy & Stainless Fasteners, Inc. | 01MX | ② |
| China Mainland | Zhejiang Yuejia Standard Parts Co., Ltd. | WTL | ⑥ |
| China Taiwan | Yin Shin Hardware Industry Co., Ltd. | TS | |
| China Taiwan | Zyh Yin Ent. Co., Ltd. | ZY | |
| China Mainland | Zhejiang Dite High Intension Bolt Co., Ltd. |
DL 
|
⑥ |
| China Mainland | Ningbo Yibaicheng Fastener Co., Ltd. | YBC | ⑥ |
| China Taiwan | Yensen Technology Co., Ltd. |
|
② |
| China Mainland | Chengdu Chengwei Precision Machinery Manufacturing Co., Ltd. |
CW 
|
⑥ |
| China Mainland | Shanghai Detroit Precision Fasterner Co., Ltd. | DTF | ⑥ |
| China Mainland | Hebei Renxian High Strength Bolt Co., Ltd. |
T 
|
⑥ |
| China Mainland | Wuhu Zhaohe Auto Parts Technology Co., Ltd. | JI | ⑥ |
| China Mainland | Haiyan Yuxing Nuts Co., Ltd. | HYN | ② |
| China Taiwan | Chia Sing Screw Industrial Co., Ltd. | 01PJ | ② |
| China Taiwan | West North Machine Works, Ltd. | WEST NORTH | |
| China Mainland | Shanghai Jinshan Standard Parts Co., Ltd. | SJ | ⑥ |
| China Mainland | Henan Weihang Industrial Co., Ltd. |
VR 
|
⑥ |
| China Taiwan | People FasTech Enterprise | P | |
| China Mainland | Bofeng Automotive Parts Technology Co., Ltd. | BF | ① |
| America | Fibam Companhia Industrial |
|
② |
| China Mainland | IIMANK Group |
IMK 
|
⑥ |
| China Mainland | Shanghai Yougao Fastening System Co., Ltd. | UG | ⑥ |
| China Mainland | Dingxi High Strength Fastener Co., Ltd. | NS | ⑥ |
| China Mainland | Jinan CSSC Equipment Co., Ltd. | J | ⑥ |
| China Mainland | Cixi Zhencheng Metal Technology Co., Ltd. | Z·C | ⑥ |
| China Taiwan | Chang Chi Metal Industry Co., Ltd. | C | |
| China Mainland | Handan Feida Standard Fastener Factory | FD | ⑥ |
| America | Space-Lok, Inc. | SLI | ② |
| America | Bay Standard Manufacturing Inc. | 01QX | ② |
| America | STS Industrial, Inc. | STS or 01WZ | ② |
| China Mainland | Ningbo Jinding Fastening Piece Co., Ltd. | JDF | ⑥ |
| China Mainland | Yuanwei (Tianjin) Industrial Parts Co., Ltd. | LS | ⑥ |
| China Mainland | Yikai Holdings (Qingdao) Group Co., Ltd. |
牛紧 
|
⑥ |
| China Mainland | Tong Ming Enterprise Co., Ltd. |
|
⑥ |
| China Taiwan | Shih Hsang YWA Industrial Inc. |
|
② |
| China Mainland | Shanghai Yaluo Precision Fastening Technology Co., Ltd. / Jiangsu Suluo Industrial Parts Co., Ltd. | ATM | ⑥ |
| China Mainland | Yongkang Yuejia Standard Parts Co., Ltd. | WP | ⑥ |
| China Mainland | Wuhan Guanxiong Hardware Co., Ltd. | GX | ⑥ |
| America | Extreme Bolt & Fastener, LLC | XBF | ② |
| China Mainland | Leng Shui Jiang Tian Bao Industrial Co., Ltd. | TBF | ⑥ |
| China HongKong | IFI & Morgan Ltd. |
|
② |
| America | Crescent Manufacturing Co. | CM | ② |
| China Mainland | Suzhou Jofae Agricultural Machinery Co., Ltd. | JF | ⑥ |
| China Taiwan | Fastener Da Taiwan Industry Co., Ltd. | FDT | |
| China Mainland | Ningbo Eastport Fastener Manufacturing Co., Ltd. Shiyan Branch | SNDG | ⑥ |
| China Mainland | Ningbo Zhongfeng High Strength Fasteners Co., Ltd. |
ZF 
|
⑥ |
| China Mainland | Handan Bengu Fastener Manufacturing Co., Ltd. | XC | ⑥ |
| Indonesia | PT. Timur Megah Steel | TMS | ② |
| China Mainland | Changshu Taoyuan Auto Parts Manufacturing Co., Ltd. | YD-8 | ⑥ |
| China Mainland | Gem-year Industrial Co., Ltd. |
CYI 
|
⑥ |
| America | Barnes Group Inc. |
|
② |
| China Taiwan | Ying Ming Industry Co., Ltd. | YM | |
| America | Thalasinos & Thalasino Enterprises, Inc. | TT010J | ② |
| China Mainland | Dongguan ShengQuan Fastener Co., Ltd. | DSQ | ⑥ |
| America | Magnolia Bolt, Inc. | 01VE | ② |
| China Mainland | Nantong BMT Fastener Co., Ltd. | BMT | ⑥ |
| China Mainland | Hubei Dengfeng High Strength Bolt Co., Ltd. | DF | ⑥ |
| China Mainland | Tianjin Century Jiulong Fastener Manufacturing Co., Ltd. | J.L | ⑥ |
| China Mainland | Ningbo Yuema Fastener Co. Ltd. | 01WL | ② |
| America | Southwest Stainless L.P. |
|
② |
| China Taiwan | Wenley Trading Co., Ltd. | gleitmo or Fuchs | |
| China Mainland | Shijiazhuang Hadiwei Fastener Co., Ltd. | SHDW | ⑥ |
| America | M.S. Aerospace Inc. | MSA | ② |
| China Mainland | Ningbo Yinzhou Hengxi Dagang High Strength Factory | ND | ⑥ |
| China Mainland | Quanjiao Chenyang Standard Parts Manufacturing Co., Ltd. | NQ | ⑥ |
|
To display more data, please use the query function! |
|||
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];