... other special scale packing... 1. CCTV high frequency welding machine 2. 2-position operation 3. pneumatic Adv.:high-efficiencyINTRODUCTION ... :5kw double heads high frequency welding machine is suitable for raincoat ,PVC stationery welding etc. ... handbag, packaging bag, wallet, leather belt, mobile cleaner, electrical T pvc welding machine frequency machine 5KW-10KW