1.PVC hgih fequency manual welding machine 2.PVC palstic box manual welder machine 3. Manual sliding table PVC welder machine High frequency manual ... our own research and development department.2. With R&D, processing, assembling, commissioning and training all in one3. Very ... , Indonesia, Pakistan and Chile.Usage:It is fit for welding PVC/PVC, PVC/card, special plastic material ( PE, EVA, PS, PC, PET ...