Proximity Sensor, Photoelectric Sensor, Vehicle Loop Detector manufacturer / supplier in China, offering IP67 PF21b Diffuse Reflection Photo Sensor Photoelectric Switch 9000-4000mm Distance, PF21b Strong Anti-Light Interference Photo Sensor for Logistic Conveyor Parcel Presence Detection, China Cost-Effective Clearer Light Spot Laser Infrared Optical Sensor Photoelectric Switch and so on.
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