At Haoshi carbon fiber,we produce all of our own carbon and graphite insulation ... developed close technical partnerships with major fields including Aerospace, Semiconductor, Solar Ingots, Specialist Castings, Metal Composites, Crystal Growing, Hard ... SiC, Indium Phosphide, Gallium Arsenide, Sapphire, Optical Crystals, Solar IngotsSpecial Castings Industry:Heat Insulation for precision casting of DS ...