... quality The type of sheet welding material has good working efficiency, and the welding material can be used in ... metal, and the good joint will be got. All position welding of machineries, mechatrcnics, refrigeration, glasses, instruments, carbide and ... are welding ring, welding rod, welding wire, strip, welding chips, flux, and so on. This kind of sheet welding materialconsists of silver, copper and ...