... hotline:15988910854This machine adopts the independent mechanical structure bundle multiple ultrasonic system,through the chassis X and group Y ... with the advantages of fast speed,solid weld ,etc.,using multiple spot welding,double efficiency;the machine is equipped with environmental ... size:2200(L)*1550(W)*1950(H)mmWelding area:multiple spot weldingFrequency:1-3pcsVoltage:220v 50-60HZAir pressure:3- ...