Shanghai Gexin Automation Instrument Co., Ltd. is located in Shanghai, the economic center of China and the most dynamic economic center of the Yangtze River Delta. Gexin Instrument is an automation instrument manufacturer that integrates research and development, design, manufacturing, sales, and complete system services. Since its establishment in early 2001, it has mainly provided customers with sensor technology solutions for automated production processes Through the joint efforts of the staff at Gexin Instrument, we have accumulated rich sensor technology and experience in the development process of our self built factory. The company's main products include various flow meters such as electromagnetic flow meters, liquid turbine flow meters, gas turbine flow meters, vortex street flow meters, metal tube float flow meters, etc. At the same time, we have developed temperature sensors, pressure sensors, liquid level sensors, and achieved one-stop service for the detection of various physical quantities in industrial automation