1 Tungsten plate/sheet
    Standard: GB/T3875, ASTM B760, ASTM B777
    Grade: W1, WA11, W-Ni-Fe, WMO, WCe20, WT20
    Specification: 1.0-2.5 x 20-450 x L, 0.1-1.0 x 20-400 x L

    2. Tungsten wire
    Standard: GB/T4181
    Grade: W1, WA11, W-Ni-Fe, WMO, WCe20, WT20
    Specification: 0.1-1.6 x L

    3. Tungsten bar/rod
    Standard: GB/T4187, ASTM B777
    Grade: W1, WA11, W-Ni-Fe, WMO, WCe20, WT20
    Specification: 1.6-70 x L