... and parts ,such as torch head,back cap,cup gasket,collet,collet body,gas lens body ,cable fittings ,alumina nozzle,power cable ... ,etc 5,welding wire for CO2 gas shielded welding (AWS ER 70S-6) ,solder wire for submerged arc welding (AWS EM ... , AWS EM 13K ), solder wire for stainless steel (AWS ER 308 ,ER 308L ,ER 309,ER316,ER316L,etc) 6,tungsten rod ,such as ...