Proximity Sensor, Photoelectric Sensor, Vehicle Loop Detector manufacturer / supplier in China, offering 1.5m Diffuse Reflective Photocell Sensor for Crs Circular Sliding Door, 1.5m 12-24V Diffuse Reflective Photocell Sensor for Vehicle Detection at Parking Lot, 1.5m Safety Diffused Optical Sensor for Power Assist Revolving Door and so on.