Proximity Sensor, Photoelectric Sensor, Vehicle Loop Detector manufacturer / supplier in China, offering IP67 30mm-4000mm Customized NPN PNP Small Blind Area Diffuse Reflection Laser Photoelectric Sensor, Infrared Optical Photo Sensor, 8m NPN Laser Safety Switch, Retro-Reflective Photoelectric Sensor for High Speed Door, Rolling Shutter Door and Automatic Revolving Door, Position System Laser Distance Sensor Price for Logistic and Warehouse Automation and so on.