DTN Series pneumatic spot an projection welder are widely used in automobile, avaiation, archiitecture. Mechanism and metal ware and wirintg switch fields, they are also used in jointing low carbon steel, stainless steel and colored metal patch and thread with high quality, hard or braze welding. Adopt for singlechip with international famous brand. Computer control box with programs, which be sure spot welding is reliable and stable quality, single pointand continuouspoint weldr function.