Founders of Beijing HongDa HardMaterials Technology Research Institute are four engineers with 30years research experience, specializing in and developmentof hard, wear-resistance anti-corrosive materials, whichincluding sintered carbides ...

Yancheng Ding Tai Machinery Co., Ltd. is a professional casting machinery manufacturer, mainly in shot blasting machines, sand dust removal equipment, rooms with excellent product quality, good service attitude. Welcome to buy. Our company located the ...