Longsun Alloy Co.,Ltd. Was established in 1986 after the reformation of China. Our main products are the silver alloy contact materials, such as contact bridge, contact sheet, contact wire ,Bimetal Rivet and Tirmetal Rivet ect. we insist on innovation, and now our products are widely used in electrical equipments, electron, autocar,communication, navigate, space flight and war industry etc.?Please feel free to contact us! Thanks very much!