1) more than 10 years of pure tungsten and molybdenum components fabricating and exporting experiences. 2)long stable busienss relations with the famous and top sapphire grower company 3)focus on pure tungsten and pure molybdenum, professional producer Products list: 1)Sapphire Growth Furnace: Hot Zone: crucible, shields, heater,accessories 2)High temperature furnace : hot zone, heater 3)Fastener: bolt, screw, nut, 4)Semicondutor parts:fabricated parts 5)Vacuum coating: boat, ...   |