... microelectronics workpiece welding. 8, it is also suitable for precision welding of workpieces, riveting, embossing, dots and other ... material. Company Brief Introduce Dongguan BRDASON Ultrasonic Equipment Co.,Ltd has been dovoted in the design, manufacturing and ... , Jing Cheng Technology Group (GBM), molex, Vtech , Samsung Electronics, the East together, the double star celebrity, United Group, ...