1.OEM/ODM will be accepted 2.stable PVC welding machine 3.excellent quality 4.single head 5.durable 1. Stable ... cavity: Larger output, higher efficacy.Patent No.: 2005200271423the high frequency PVC welding machine is suitable for stitching and patterning all kinds of ... PVC,artificial leather, leather, EVA, PEVA, EVOH, PU, PE, PET etc. e.g. inflatable toys, slippers, hand bag, wallet, belt,packing ...