... transducer device3.pneumatic welding head lifting system4.roller die correction institutions and zhengliao system5.special chassis design, with many useful ... mask, two ends deck welding,Can directly handheld welding, and also according to your work environment, hanger type, bull ... -rack system, with linear suture, turn stitching, sewing and rotary cylinder such as multi-purpose lap. Ultrasonic sleeve ...