... wide range of forms including nut, screw, ring, wire, foil, sheet, rod, tube tungsten copper alloy sheetApplications: * For producing electric ... wide range of forms including nut, screw ,ring ,wire, foil, sheet, rod, strip, plate, tube, alloys according to Standard ASTM ... DMS JIS GB, etc.As a DNV certified ISO9001:2000 company, we have strict quality control system and provide professional service ...