... Employees 2000Main ProductsTungsten Ore, APT, WC, various cemented carbide products :rod, blank, plate, blade, rings, button tips, non-standard wear parts ... furnaces (Japan)Key TechniciansFormer key technicians from CB Carbide, TaiwanTechnologyFrom CB carbide, Taiwan Why is Shirui so Unique?A. Rich ... available for your testing in advance. high purity 99.95% WP tungsten for tungsten copper contacts