... special processing produce hot-rolling and cold-rolling products with high quality W slabs, such as W electrode plate, heater, ... are used in electronics, electronic vacuum, heating part of vacuum furnace and illumination etc.Technology: forged, rolled, drawn Tungsten Sheet ... →Cold Rolling →Final Annealing → End products → Inspection → Packing 1,Type of payment : T/T ,Escrow , Wester Union, L/C ,ect ...