... 300W/600W/900W Optional Machine features: 1, ultrasonic plastic welder using the Swiss original transducer, titanium horn, ... Dongguan BRDASON Ultrasonic Equipment Co.,Ltd has been dovoted in the design, manufacturing and sales of plastic welding machines, ultrosonic ... , Foshan, Xiang Wang Optical Group (VANGUARD), etc. Plastic machine and welding mould made according to your specific requirements ...