We are Hunan O. E. D hard metal, which was established in the hometown of metal China --- Zhuzhou city province. A professional Chinese manufacturer tungsten carbide products such as rods, strips, rings, drilling bits, indexable inserts, wear parts, drawing pellets, and customized products. ...

zhengzhou Yurun is a reach andprodue of high tech enegy-saving electrical equipments.main product are:small electromanetc heating machine,super audio frequency heatng equipment,induction melting machine,induction hardening machine tools,brazing machines Our quality ...