... heat is produced so that thermoplastic parts melt and an insoluble connection between parts is forged in a very ... matrix material. Company Brief Introduce Dongguan BRDASON Ultrasonic Equipment Co.,Ltd has been dovoted in the design, manufacturing and sales ... of fine domestic and foreign suppliers: Foxconn , Jing Cheng Technology Group (GBM), molex, Vtech , Samsung Electronics, the East together, ...