? The company is mainly engaged in the clothing washed, pneumatic actuators, correction sensor, water filter, a variety of nozzles, high-pressure mobile spray devices, self-developed spring brand tapping oil. Products are exported all over the country, and our customers get the praise. ? SM3 non-contact sensor, installed only on one side of an object to be corrected by an infrared detector, solenoid valves and other components. By the red line at the detector will signal back to the solenoid valve to control movement of the actuator. In the drying section using, for use in correcting the clothing, paper, woven fabric, film or the like. Welcome to buy.