GRAEFF is a British multinational company focusing on the R&D, production and sales of pressure sensors, melt pressure sensors, temperature sensors, industrial sensors, smart sensors, flow sensors, displacement sensors, liquid level sensors, pressure and temperature control instruments, pressure gauges, heaters, intelligent equipment, pressure and temperature calibration systems, Internet of Things and automatic control systems. GRAEFF has established companies or offices in the United Kingdom, Germany, the United States, China and other countries; GRAEFF products are mainly used in food, pharmaceutical, biotechnology, chemical, petrochemical, energy industry, power station, sewage treatment, navigation and shipbuilding industry, environmental engineering, spraying equipment, plastics, chemical fiber, rubber, pharmaceutical, metallurgy, petrochemical, automobile manufacturing, ceramic glass, drones, robot systems, aerospace, mining machinery, construction machinery and other fields