Shanghai Xinyuan Instrument Factory is a professional manufacturer of pressure switches and differential pressure switches. Since 1990, we have introduced advanced technologies from foreign countries, made every effort to develop new products, and established a quality control system. Today, our pressure switches and differential pressure switches are well known by many customers because of excellent performance and good services.



Our main products are pressure switches, differential pressure switches, SF6 density switches, and SF6 valves.



Our factory has...