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About Us


Hangzhou TR industrial trade Co.,Ltd. come from of Haiyan town Jiaxing,here Near Shanghai city.  Hangzhou TR industrial trade Co.,Ltd which is established in 2013 year and  manufacturer for different types of Socket screws; other type of Bolts (like Carriage bolts; Hex Flange Bolts and Guardrail Bolts) with high quality and reasonable price.


Hangzhou TR industrial trade Co.,Ltd have our own laboratory, which can test the hardness of products, tensile strength and other indicators to ensure the quality of shipment.  


We always remind ourself that quality and customers comes first, so we provide the best products,delivery time and service to our customers. We warmly welcome you to visit our plant and wish we could build a long-term business relationship and create mutual benefits in the future.


Main serve:

For Socket screws of DIN912; DIN7991; ISO7380 and DIN916, we have enough stock and we can accept little qty of orders.


  • Our Design

    Our technology is always at the cutting edge of the high level.

  • Our Craft

    We have a world-class shoemaking process.

  • Our Products

    BaoHan safety shoes - safer and more reliable!

  • Our Products

    BaoHan safety shoes - safer and more reliable!