... directly for waterproofing with ultrasonic without needle and thread non woven shopping bag welding machine Output power : 2500WPower Input : 200V/50HzOutput frequency : 15KHzWorking ... mmWeight of machine : 140 KgDescription:Lace clothes, sport wear, doll, gloves, table cloth, Covers for chair, bed orpillow, coverlet, window curtain, non-woven mask ...