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Company news
2022/01/25
Ningbo Haogong Tools Co., Ltd. is an industry and trade integrated enterprise with more than 17 years of production and operation history
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2021/09/26
The company specializes in producing various Allen wrenches, box wrenches, T-shaped wrenches, multi-functional folding wrenches, screwdrivers, belt punches, center punches, steel numbers, etc
The company has obtained ISO9001 certification, German VPA/GS certification and CE certification, and its products are sold to Europe, the United States, Japan, South Korea and other countries and regions.
2022/06/27
Working principle and testing requirements of Allen wrench
The safety of Allen wrench is superior
Hexagon wrench is a common installation and removal tool
How to prolong the service life of Allen wrench?
Extension of Allen key
Material of hexagon wrench with nut
The Allen key is set according to the size of the opposite side of the hexagon
