... . 4KW full-auto rotary PVC welder , high frequency welder1.Using a high Q value vibration tube in the machine, so ... apply to the medical supplies industry, plastic, and plastic packaging industry ,clothing embossing processing industry, automotive upholstery industry, ... , PVC blister welding, PVC plastic blister welding, battery packaging sealing, hardware tools sealing, PETG blister sealing, blister ...