Shaanxi Topsail Electric Technology Co., Ltd.is engaged in the research, development, design, production and sales of wireless intelligent low-power sensors. The main products are wireless pressure sensors, wireless liquid level sensors, smart fire hydrants, wireless temperature and humidity sensors, wireless temperature and pressure multi-channel acquisition terminals, wireless water flow remote control valves, Internet of things intelligent gateways, etc. The wireless intelligent sensors produced by our factory have been widely used in fire protection, water supply, heating, gas, petroleum and other fields. The company has now passed the national high-tech enterprise certification, scientific and technological medium-sized enterprise certification, ISO9001 quality system, has "Topsail" trademark.