... % duty cycle design 3.Quick heating Henan soldering machine for sale Company Brief Introdution:ZhengZhou GuoYun Electronics Thchnology Co.,Ltd ... from 16KW to 500KW,quenching machine tool and special complete quenching machine.used for forging,rolling,brazing,hardening,annealing, ... 3)650x350x700mm³Application1,Hard alloy saw blade welding2,Diamond saw blade welding3,Coal,geological drill bit welding4, ...