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Global Manufacturer Identification Symbols
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Country or Region Company Symbol Note
China Mainland Zhejiang Jiahe Automobile Parts Co., Ltd.
China Mainland Jiangsu YouLuo Industrial Technology Co., Ltd. UL
China Taiwan National Aerospace Fasteners Corporation NAFCO
China Mainland Dongfeng Motor Parts And Components Group Co., Ltd. EQ
America Automotive Racing Products, Inc. L-19 or 2000 or PERMALOC or WAVE-LOC or ARP
China Taiwan Rodex Fasteners Corp. RDX
India Sundram Fasteners Limited TVS
China Taiwan Luo Yao Co., Ltd. HS or LY
China Mainland Henan Hangshen Electromechanical Equipment Co., Ltd. HAS
China Mainland Shandong Zenno Chemical Equipment Co., Ltd. ZN
China Mainland Shanghai Accuride Corporation AC
China Mainland Guizhou Aerospace Precision Products Co., Ltd. HA
China Mainland Shenyang Huiteng Machinery Co., Ltd. H&T
China Taiwan Fu Hui Screws Industry Co., Ltd. FH
China Mainland Shanghai G&t Industry Co., Ltd. GT
China Mainland Changshu Taoyuan Auto Parts Manufacturing Co., Ltd. YD-8
America Threading & Sealing Technologies, LLC. 01WN
China Mainland Shanghai Hengfeng Fasteners Manufacturing Co., Ltd. SE
China Mainland Gem-Year Logistics Co., Ltd. GY
Malaysia Tong Heer Fasteners Co., Sdn. Bhd. THE or TONG
China Mainland Renqiu Hongxin Fastener Co., Ltd. HX
China Mainland ASME Fastener Manufacturing (Wuxi) Co., Ltd. ASM
China Mainland Ningbo Taidahezhong Fastener Manufacture Co., Ltd. HZF
China Mainland Ningbo Dongnan High Strength Fasteners Co., Ltd.
China Mainland Fangyuan Group Co., Ltd. FY
America Fastener Engineering & Sales Corporation 01FL
China Mainland Ningbo Zhonghai Fastener Manufacture Co., Ltd. FZ
America Chautauqua Precision Machining, Inc. 01VM
America Sunpack of Pensacola, Inc. 01XP
America Fastener Technology Corp. FT
China Mainland Guangzhou Fastfisher Hardware Co., Ltd. CT
America DB Fasteners Limited 01XN
America Conformance Fasteners 01HO
China Mainland Zhejiang Fasina Intelligent Technology Co., Ltd. FSN
India Ridvan Fasteners India Pvt Ltd 01WU
America TurnaSure LLC TURNASURE
China Mainland Shenyang Tools Standard Parts Manufacturing Co., Ltd. BG
China Mainland Shanghai Shenguang High Strength Bolts Co., Ltd. SG
China Mainland Handan Shuoxi Fastener Co., Ltd. HDSSX
China Mainland Changshu Kechuang Precision Fasteners Co., Ltd. CS1 or CSQ
America Asia Fastening (US) Inc
China Mainland Suzhou Dequan Information Technology Co., Ltd. Q
China Mainland Jiangsu Huyue Standard Parts Co., Ltd. H·Y
China Mainland Shandong Lugui Fastener Co., Ltd. L☆G
China Mainland China Railway Shanhaiguan Bridge Group Co., Ltd.
China Taiwan VERTEX Precision Industrial Corp.
Canada J. Lanfranco Fastener Systems Inc. JL
China Taiwan L&W Fasteners Company LW
China Mainland Hangzhou Dingmingshang Industrial Co., Ltd. DMS
China Mainland Taiyuan Hengli Fastener Manufacturing Co., Ltd.
China Mainland Zhangjiagang Sanjiang Standard Component Co., Ltd. ZSJ
China Mainland Quanzhou Shuangyi Machinery Co., Ltd. QZSY
China Mainland Jienao Materials Trade Co., Ltd. STG
China Mainland Zhoushan Zhengyuan Standard Parts Co., Ltd. ZY
America Steel City Bolt and Screw, LLC
China Mainland Zhejiang Sanlin Metals Products Co., Ltd. SAN
China Mainland Suzhou Jofae Agricultural Machinery Co., Ltd. JF
China Mainland Ningbo Zhongyi Fastener Co., Ltd. NZY
America Best Quality Fasteners BQF
America Delta Bolt LLC 01KD
South Korea KPF Co., Ltd.
America All-Pro Threaded Products, Inc.
China Taiwan Chong Cheng Fastener Corp. C
China Mainland Sichuan Difu Precision Engineering Technology Co., Ltd. DFCAL
America Rolled Threads Unlimited, LLC RTU
China Mainland Ningbo Mookids International Trade Co., Ltd. MXF
China Mainland Beijing Port City Petrochemical Equipment Parts Co., Ltd. GCS
China Mainland Handan Zhengfa Technology Co., Ltd. ZFKJ
China Mainland Yuanwei (Tianjin) Industrial Parts Co., Ltd. LS
China Mainland Huai 'an Ruilite Metal Materials Co., Ltd. RLT
America Qualified Fasteners Inc. 01JA
America Barnes Group Inc.
China Mainland Ningbo Yisen Fastener Co.,Ltd
China Mainland Bofeng Automotive Parts Technology Co., Ltd. BF
China Mainland Luoyang Tiantong Precision Machinery Co., Ltd. TT
China Mainland Wuhan Langwei Hengyue Technology Co., Ltd. LWHY
China Taiwan Jyh Shinn Plastic Co., Ltd. JSP
America Universal Precision Screws UPSL or UPSI
China Mainland Ninbo Echo International Trading Co., Ltd. 01XG
China Mainland Chengdu Xinxin High-strength Fastener Manufacturing Co., Ltd. XQ
China Taiwan Asia Technical Services Pte. Ltd. Asiatec
America Fastener Dimensions, Inc.
China Mainland Fuding Desheng Automotive Fasteners Co., Ltd. SS
China Mainland Handan Hualong Fastener Co., Ltd. HL
China Taiwan Ru Bor Works Co., Ltd. RB
America Risco, Inc. 01XJ or 01DC
China Mainland Hunan Shenyi Precision Parts Co., Ltd. SYI
China Mainland IIMANK Group IMK
China Mainland Zhejiang Dite High Intension Bolt Co., Ltd. DL
China Mainland Hebei Xinli Fastener Co., Ltd. HBXL
America I Q Nut & Bolt 01WM
America ATF, Inc.
China Mainland Wenzhou Xinde Electric Power Fittings Co., Ltd. / Hebei Xinde Power Accessories Co., Ltd. XD
China Mainland Hangzhou Jinyi Fastener Co., Ltd. DE
China Taiwan Lih Ta Fasteners Co., Ltd. LTG
China Mainland Ningbo Eastport Fastener Manufacturing Co., Ltd. Shiyan Branch SNDG
America Elgin Fastener Group LLC CP or QB
America Ameriforge Group Inc.
China Mainland Shanghai Qunli Fastener Manufacture Co., Ltd. SQL
China Mainland Jiashan Yixiang Hardware Co., Ltd. JXYX
America C.F.F.F. Corp DBA Formed Fastener FF

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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];