... shareholding system. We are the largest plastic welding machine manufacturer in China, professional experts in plastic welding. In 2011, total Output value is about ... more than 200. Product line: Ultrasonic welding machine, hot plate welding machine, spin welding machine, heat staking welding machine, Infrared welding machine, vibration welding machine, welding mould. passed the ISO9001:2008,CE,SGS ...