1.stable high frequency welding machine 2.excellent quality and reasonable price. 3.accpet OEM/ODM 4long life 5solely design the high frequency welding machine Serving range:Suitable for processing large area PVC products, such as:Pool, kayak, air bed, inflatable swimming pool, air toys, automobile decoration,chair cushion, carpet, curshion1. Patented spark protector: Completely novel design! ...