... sealing of aluminum foil (tooth paste peel), motor rotor and sealing of tubular electric heating element.3. Smelting mainly ... same variety or different varieties, such as hardware toilet and kitchen products, refrigerating copper fitting, lamp decoration fitting, ... stainless steel products, such as stainless steel basin, annealed and extruded can, annealed folded edge, annealed sink, stainless steel ...