... and molybdenum series products.We are specialized in researching and developing,producing,saling of various kinds of high capability W-Cu alloy,W ... -Ni-Fe alloy,W-Ni-Cu alloy,W-Ni-Fe-Cu alloy,W-Ag alloy,W-Ti alloy and other tungsten alloy plate,bar,tube,abnormal products. molybdenum alloy molybdenum piercing mandrels/molybdenum crucible/ mo-cu alloys ...