TONE

Tone is a Brand of Shanghai Xinyuan Instrument Factory was established in 1994 and has been deeply involved in the field of pressure instruments for more than 30 years. It mainly deals in pressure switches, SF6 density switches, SF6 valves, connectors and other supporting products. These products are widely used in industrial fields such as power, petrochemicals, metallurgy, etc., and have high stability and reliability.
For over 30 years, Shanghai Xinyuan has been deeply involved in the instrument industry, with strong technical strength, advanced production equipment, and comprehensive testing methods.