Shanghai Wafer Microelectronics Co., Ltd.
electrical ( electronic, electric) surveillance ( safety, security, safe) systems and products- (1) sensors & detectors- motion sensors, motion detectors, microwave & infrared sensors, ultrasonic & loop sensors. (2) safety beams- door & gate safety beams. (3) door switches- push button switch, program switches, remote control switches, contactless & free sensor switches. ...

China 





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