... valve (Germany FESTO), header (Japanese SMC) program (OMRON), filters (SMC), PLC (Japan PANASONIC), man-machine interface Principle of Ultrasonic Plastic Welders: Ultrasonic plastic ... and so on. Such as plastic body parts, car doors, ... Plastic electronics: prepaid water meters, communications equipment, atheism phone, mobile phone accessories, cell phone case, battery case, charger, maintenance valve ...