Feejoy Technology (Shanghai) CO., Ltd. was established in 2004 and is a high-tech enterprise. Specializing in the research and development, production and sales of industrial automation, intelligent field instruments and sensors. Products cover liquid level, pressure, flow, analysis, temperature and other industrial sensing instruments. Feejoy is a professional supplier of system solutions in the fields of industrial automation, intelligence and industrial Internet of Things. After years of independent development and technology precipitation, it has obtained 8 utility model patents and 17 software copyrights in the liquid dosing system, integrated level and temperature measurement, high-precision liquid level gauge measurement, and sensor automatic.