... in china,but also the earlist take part in ultrasonic plastic welding equipment manufacture enterprise.,rerchard an develop and ... ,such asd :turntable,bull,rotary welding machine,automobiledoor panels,meter,highlights,bumpers and other special welding machine, at the ... feature of users’ products, we produced ultrasonic non-standard welding equipment,based on our strong R&D capability,we mannfactured ...