Silicon Carbide, Boron Carbide, Silicon Carbide Wafer manufacturer / supplier in China, offering Boron Carbide Burner Flame Tube/Sleeve for High Temperature Furnace Refractory, Customized High Temperature Resistant Boron Carbide Tube B4c Ceramic Sleeve Bushing, High Quality Black Silicon Carbide F24-F320 98% Sic and so on.