... , High Temperature Sintering Furnace, Solar Silicon Furnace, crystal growth furnace, inert atmosphere furnaces, semiconductor furnace, ... factories.Producing graphite felt, rigid graphite board and CFC, Heat Insulation Materials Using in Vacuum Furnace, inert atmosphere furnaces, crystal ... , Solar Ingots, Specialist Castings, Metal Composites, Crystal Growing, Hard Metal Sintering, and the Heat Treat ...