Proximity Sensor, Laser Sensor, Photoelectric Sensor manufacturer / supplier in China, offering Gqd-D62ns Normally Open NPN PNP Laser Photoelectric Switch 40-600mm Photo Photocell Beam Sensor with CE RoHS, Gql-R61ns NPN PNP DC10-30V Square Photoelectric Switch 4pin 4 Wire Diffuse Photocell Photo Sensor with Mirror, Gqd-T61ns NPN PNP 10m Distance DC10-30V Photo Electric Proximity Switch Through Beam Photoelectric Optical Sensor and so on.