1,Welding machine 2,High working rate 3, ... ,shoes,adorn article on some drilling and plastic single point welding, screw, riveting preparetions etc.2. Additional ... gas, including computer, etc.4, stationery commodity: writing case, aquatic animals, folder ZhongFeng ruler and shell, pen ... equipment widely used in ultrasonic plastic welding machine for plastic point welding, etc. Portable welding machine