Proximity Sensor, Photoelectric Sensor, Vehicle Loop Detector manufacturer / supplier in China, offering Retro-Reflective Infrared Photocell Switch Optical Sensor for Opaque Object Detection, IP67 Infrared Photoelectric Beam Sensor for High Speed Gates and Doors Safety, 10-30V 10m Mini Type Single Beam Sensor Photoelectric Switch for Automatic Sliding Doors and so on.