GRAEFF (Graff) is a company dedicated to the research and development, production and sales of pressure sensors, melt pressure sensors, temperature sensors, industrial sensors, intelligent sensors, flow sensors, displacement sensors, level sensors, pressure and temperature control instruments, pressure gauges, heaters, intelligent devices, pressure and temperature calibration systems, Internet of Things and automation control systems British multinational company GRAEFF has established companies or offices in multiple countries such as the United Kingdom, Germany, the United States, and China. GRAEFF products are mainly used in food, pharmaceuticals, biotechnology, chemical engineering, petrochemicals, energy industry, power stations, sewage treatment, Marine and shipbuilding industry, environmental engineering, spraying equipment, plastics, chemical fibers, rubber, pharmaceuticals, metallurgy, petrochemicals, automotive manufacturing, ceramics and glass, unmanned aerial vehicles, robot systems, aerospace, mining machinery, and construction machinery Such fields.