Shanghai Automation Instrumentation NO.4 Factory 

Shanghai Automation Instrumentation NO.4 Factory is branch of SAIC, who is famous manufacturer of various type of pressure gauge & transmitter in China. Shanghai Automation Instrumentation NO.4 Factory was established in 1950. It is a key enterprise specializing in the production of pressure measuring instruments and pressure measuring instruments of the Ministry of Machinery Industry, and is one of the largest production bases of pressure instruments in my country. The products of Shanghai Automation Instrumentation NO.4 Factory involve pressure gauges, differential pressure gauges, pressure transmitters, pressure gauge calibrators, pressure sensors, etc. The factory has entered the high-tech industry in Shanghai, and passed the ISO9001 quality system certification in 1996. The products are widely used in petrochemical, metallurgical mines, transportation, power stations, textiles, food, scientific research and other industries. The products are known for their high precision, variety and excellent quality.