Chengdu Zengcheng Metal Materials Co.,Ltd specializes in production tungsten based high density alloy on the base of taking the Beijing Scientific and Technical University Powder Metallurgy Research Institute as the technology . The factory is located in Wangdu County, Hebei Province. Had been established since 1996, devotes continuously using the world MIM advanced technology to the high density tungsten alloy research and development and the production. The company equipment is advanced, ...