Sensor manufacturer / supplier in China, offering NPN Capacitive Cable Type Liquid Level Detection Proximity Position Sensor (CE30-26NO), Akusense Mld33-30n Series High Precision Laser Linear Displacement Sensor with Analog NPN Output and Easy Mounting, Akusense Mld15-50npva Triangulation 25-280mm Range NPN Output 655nm Red Laser Diffuse Reflection Flexible Photoelectric Sensors and so on.