... the cleaing scourer, including: cleaing scourer knitting machine; ultrasonic welding machine; shear machine; and so on. 1. Japanese original assembled ... switching energy machine, and strong and steady output. 2. Controlled loop design by IC, frequency auto-tracking,over ... and its using life time. 4. Exquisite horixontal vertical,reasonable machine construction, weld-top centre limt position, which ...