1, the refrigeration industry aluminum tube socket , central air conditioning copper and galvanized pipe, stainless steel, aluminum welding dissimilar . 2 , transformer industry, Aluminium Welding Electrodes terminals , aluminum wire , aluminum welding conductive row . 3, the electrical and electronic industry, radiator pipes, motors , bus welding. 4 , and the other for the production of life faucets, coupling connector , supporting nuts , etc.