Henan Dashan Nonferrous Metals Co., Ltd。specializes in the production and processing of copper bushes, copper bushes, flange bushes, tin bronze bushes, brass bushes, large-scale copper castings, wear-resistant bushes, copper bushes, copper bushes, press copper wire mother, reducer copper worm wheel, rolling mill copper bushes, bearing bushes, press copper bushes, crusher copper bushes, Simmons copper bushes, mining equipment. Copper accessories, mechanical copper accessories and other copper alloy products and aluminum products.