YueFa Copper Co., Ltd is one of the professional manufacturers copper deep finishing company, specializing in edm brass wire, clad H60, H62 H65,H68 production, company has Upward furnace production line, even pull Annealing five lines, two vacuum annealing ...

Ningxia Orient Tantalum Industry Co.,Ltd(OTIC) was established on April 30,1999,and has been a pubic corporation in Shenzhen Stock Market form January 20,2000,mainly sponsored by CNMC Group Co.,Ltd(CNMNC),in conjunction with other four ...