| Country or Region | Company | Symbol | Note |
|---|---|---|---|
| China Taiwan | Jinn Her Enterprise Co., Ltd. |
|
② |
| China Mainland | 北京六维工研科技有限公司 | Ti | ⑧ |
| China Taiwan | Sheh Fung Screws Co., Ltd. | S | |
| America | DeAnza Tool & Mfg. | 01WQ | ② |
| China Mainland | Kunshan Zhonggu Precision Hardware Co.,Ltd. | IM | ⑧ |
| China Mainland | Zhejiang Dite High Intension Bolt Co., Ltd. |
DL 
|
⑧ |
| China Mainland | Guangzhou Di Ai En Industrial Co., Ltd. | DAN | ⑧ |
| China Mainland | Haiyan Huasheng Fasteners Co., Ltd. | 人 or 中 | ⑧ |
| China Mainland | Ningbo Want Fastener Co., Ltd. | WTF | ⑧ |
| China Mainland | Ningbo Huazhi Wind Power High Strength Bolt Co., Ltd. | ZYF | ⑧ |
| China Mainland | Ningbo Mookids International Trade Co., Ltd. | MXF | ⑦ |
| China Mainland | Shanghai Yougao Fastening System Co., Ltd. | UG | ⑧ |
| America | Threaded Fasteners Inc. | TFI | ② |
| India | Lakshmi Precision Screws Limited | LPS | ② |
| America | South Texas Fasteners & Supplies, Inc. |
|
② |
| Germany | Karl Berrang GMBH | 01JW | ② |
| America | Patriot Bolt LLC | 01XQ | ② |
| China Taiwan | Zyh Yin Ent. Co., Ltd. | ZY | |
| China Mainland | Handan Yanzhao Fastener Manufacturing Co., Ltd. | YZ | ⑧ |
| China Taiwan | Cheng Heng Industrial Co., Ltd. | CH | |
| China Mainland | Jiaxing Lixin Fastener Co., Ltd | LX | ⑧ |
| China Mainland | Hunan Shenlian Standard Pieces Co., Ltd. | MEV | ⑦ |
| China Mainland | Yongkang Yuejia Standard Parts Co., Ltd. | WP | ⑧ |
| America | T&T Drilling, Inc. | 01WW | ② |
| China Mainland | Zhoushan Zhengyuan Standard Parts Co., Ltd. | ZY | ⑧ |
| China Mainland | Ningbo Zhongding High Strength Fastening Manufacture Co., Ltd. | NBZD | ⑧ |
| China Mainland | Jiaxing Jinke Fastener Co., Ltd. | JHF | ⑧ |
| China Mainland | Gem-Year Logistics Co., Ltd. | GY | ⑦ |
| China Mainland | Chongqing Standard Parts Industry Co., Ltd. Chongqing Standard Parts Factory Branch |
cb 
|
⑧ |
| Italy | Ferriere di Stabio S.A. | F S or FS | ② |
| China Mainland | Haining Zhongda Fasteners Co., Ltd. | 01RD | ② |
| America | Markins Enterprise, LLC | 01YC | ② |
| China Mainland | Zhoushan Zhengyuan Standard Parts Co., Ltd. | 01WA | ② |
| America | Brunner Manufacturing Company, Inc. | BDM or BM | ② |
| China Taiwan | Hdpe Star Enterprise Co., Ltd. | PAILKING | |
| China Taiwan | Autolink International Co., Ltd. | MHS | |
| China Mainland | Suzhou Sanyong Metals Products Co., Ltd. | SU | ⑧ |
| America | BBC Fasteners, Inc. | B B C | ② |
| China Mainland | Ningbo Puhe High Strength Fasteners Co., Ltd. |
NBPH 
|
⑧ |
| China Mainland | Zhuzhou Hadiwei Fasteners Co., Ltd. |
LZ 
|
③ |
| America | Solution Industries LLC | 01XH | ② |
| China Mainland | Xinxiang Yongteli Fastener Manufacturing Co., Ltd. | YTL | ⑧ |
| China Taiwan | TSUN-CHEN Industrial Corp. | TC | |
| China Mainland | OPPU (Tianjin) Industrial Parts Co., Ltd. | OP | ⑧ |
| China Mainland | Zhuzhou Dinggu Motorcycle Parts Co., Ltd. |
DGu 
|
⑧ |
| China Taiwan | Zyh Yin Enterprise Co., Ltd. | 01WB | ② |
| America | Tifco Industries, Inc. |
|
② |
| China Taiwan | Hyperkey International Inc. | 01LN | ② |
| America | Reid Products Inc. | R9 or 9R | ② |
| China Mainland | Handan Zhaoyi Fastener Manufacturing Co., Ltd. | ZYD | ⑧ |
| Japan | Fuji Seimitsu Co., Ltd. |
|
② |
| China Taiwan | FWU Kuang Enterprises Co., Ltd. | FKE | ② |
| China Mainland | Ningbo Xinderun Standard Parts Co., Ltd. | XDR | ⑦ |
| South Korea | KPF Co., Ltd. |
|
② |
| China Taiwan | Hwang Shiang Ind. Co., Ltd. | H | |
| America | Universal Precision Screws | UPSL or UPSI | ② |
| China Mainland | Nantong Lock Fastener Manufacturing Co., Ltd. |
|
⑧ |
| China Taiwan | Ying Ming Industry Co., Ltd. | YM | |
| China Taiwan | Shih Hsang YWA Industrial Inc. |
|
② |
| China Mainland | Changzhou Hu Yue Standard Component Factory |
CZ 
|
⑧ |
| America | Fibam Companhia Industrial |
|
② |
| China Mainland | Wenzhou Fengding Fastener Manufacturing Co., Ltd. |
FZD 
|
⑧ |
| China Mainland | Ningbo Mingzhu Fastener Manufacturing Co., Ltd. | NBMZ | ⑦ |
| China Mainland | Shanxi Front Automobile Standard Parts Co., Ltd. | FAF | ⑧ |
| China Mainland | Jiaxing Zuanbiao Fasteners Co., Ltd. | 01XE | ② |
| America | Fastener Technology Corp. | FT | ② |
| China Mainland | Jiangsu Saifule Metal Products Manufacturing Co., Ltd. | ZHY | ⑧ |
| China Mainland | Ningbo Guangli Fasteners Co., Ltd. | NBGLC | ⑧ |
| China Mainland | Zhejiang Meiquan Fastener Intelligent Manufacturing Co., Ltd. | M9 | ⑧ |
| America | Screws Industries, Inc. | 01JH | ② |
| China Mainland | Shanghai Zhanyi Industrial Co., Ltd. |
|
⑦ |
| China Mainland | Ningbo Jiuli Fasteners Co., Ltd. |
九 
|
⑧ |
| China Mainland | Zhoushan Zhengshan Intelligent Manufacturing Technology Joint Stock Co., Ltd. |
ZSZMI 
|
⑧ |
| China Taiwan | Yeu Yuan Ltd. | 01VU | ② |
| China Mainland | Zhangjiagang Tonghao Metal Products Co., Ltd. | TH | ① |
| Singapore | Sin Hong Hardware Pte. Ltd. | SIN HONG | |
| China Mainland | Jiangsu Duxun Special Alloy Co., Ltd. | DXF | ⑧ |
| China Mainland | Zhoushan 7412 Factory |
|
⑦ |
| China Mainland | Hangzhou Lihuahuang Industrial Co., Ltd. | SM | ⑧ |
| America | Allied Bolt Products LLC | ALLIED BOL | ② |
| China Mainland | Zibo Sutuo Fastener Co., Ltd. |
ZST 
|
⑧ |
| China Taiwan | Fong Wuns Co., Ltd. | F/// | |
| China Taiwan | Tong Hwei Enterprise Co., Ltd. | THE | |
| America | Steel City Bolt and Screw, LLC |
|
② |
| China Mainland | Shanghai Jin-He Fastener Co., Ltd. | JHF | ③ |
| America | Century Gasket Corporation | 01XK | ② |
| China Mainland | Tianjin Baochi Metalware Co.,Ltd. |
BCC 
|
⑧ |
| America | R.B. Industries, Inc. |
|
② |
| China Mainland | Yixing MingYing Standard Parts Co., Ltd. | ES | ⑧ |
| China Taiwan | Chong Cheng Fastener Corp. |
|
② |
| India | Sundram Fasteners Limited |
TVS 
|
② |
| China Mainland | Jiangsu Jinsha Fastener Co., Ltd. | JSJS | ⑧ |
| China Taiwan | Zhan Yang Machinery Industrial Co., Ltd. | STAMPO | |
| China Mainland | Windfast Industrial Co., Ltd. | WF | ④ |
| China Mainland | Ningbo Dazhi Machinery Technology Co., Ltd. |
|
⑧ |
| China Mainland | Shandong Guochuang Precision Machinery Co., Ltd. |
LM 
|
⑧ |
| America | System 22, Inc. |
|
② |
| China Mainland | Ningbo Juqi Fastener Manufacturing Co., Ltd. | JUQI | ⑧ |
| China Mainland | Changshu Changli Fastener Co., Ltd. | CS2 | ⑦ |
| China Mainland | Zhejiang Goodnail Fastener Manufacturing Co., Ltd. | GEN | ⑧ |
| Thailand | Bangkok Fastening Co., Ltd. | KEF or 01XW | 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];
⑦China National Technical Committee for Fasteners: Identifying Marks of Verified Fastener Manufacturers, Announcement No. 14-1 [2025-09-05];
⑧China National Technical Committee for Fasteners: Identifying Marks of Verified Fastener Manufacturers, Announcement No. 15 [2026-01-27];
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];
⑦China National Technical Committee for Fasteners: Identifying Marks of Verified Fastener Manufacturers, Announcement No. 14-1 [2025-09-05];
⑧China National Technical Committee for Fasteners: Identifying Marks of Verified Fastener Manufacturers, Announcement No. 15 [2026-01-27];