Fiber Optic Sensor, Proximity Sensor, Photoelectric Sensor manufacturer / supplier in China, offering M30 Combined Ultrasonic Sensor 200-2000mm Analog and Switch Dual Signal, M30 Digital Ultrasonic Sensor 200-2000mm RS485 Modbus Communication, M30 Analog Ultrasonic Sensor 200-2000mm 4-20mA 0-10V Signal and so on.