... technical partnerships with major fields including Aerospace, Semiconductor, Solar Ingots, Specialist Castings, Metal Composites, Crystal Growing, ... Indium Phosphide, Gallium Arsenide, Sapphire, Optical Crystals, Solar IngotsSpecial Castings Industry:Heat Insulation for precision casting of ... Industry:System accredited to BS EN ISO 9002Solar cells: PAN-graphite felt electrode in the vanadium redox ...