... ODM 4.pneumatic 5.solely design the high frequency welding machine serving range:high frequency plastic packaging (includingheat ... sunshade, trademarks, garments, shoe and cap embossing, leather embossing; gas mattress, boat, life jacket, toy; stationery , raincoat, plastic cover ... circuit design and matching, full of power, fast welding speed.10. Newly designed over-current protection: This model ...