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Huangshan subsidiary (HS Chain) of Hengjiu Group gets 2 invention patents

2016-05-09

Hengjiu Group gives prominence to technology research and innovation of chain products, manufacturing craftsmanship, mould and equipment. A few days ago, HS Chain reported to get 2 national invention patents of welding equipment for flat top chain attachment and high-efficiency induction hardening equipment for pin with two-way stokes.

 

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