Tungsten sheet 1 Purity :>=99.95% 2 Materials:tungsten 3 ... .5-3.010-60010-1500Alkali washCold rolled0.5-1.510-45010-1500Acid cleaningCold rolled0.2-0.510- ... Pickling →Cold Rolling →Final Annealing → End products → Inspection → Packing 1,Type of payment : T/T ,Escrow , Wester Union, L/C , ... ect . 2, Payment Terms : Decided by two sides. 1,Packaging: Vacuumize in side wooden case out side . 2,Shipping ...