... requirements:Meeting GB3875-83,ASTM B760-86 Applications: tungsten electropolar plates. Designation:W1,W2Technical requirements:Meeting GB3875-83,ASTM B760-86Applications: it ... majorly engaged in empoldering and producing Tungsten,Molybdenum,Tantalum,Nickel,Tiatanium,Niobium,Zirconium and their alloys' plate/sheets,strips,foils,bars,rods ...