Rex Electric Chemical Products Department belongs to Shanghai Precision Scientific Instrument Co., Ltd (the former body is Shanghai REX Instrument Factory), which is located at Shanghai Anting Automobile City and specializes in R&D, manufacture, sale and service of electric chemical water quality analysis instrument.

　　 Shanghai Precision Scientific Instrument Co., Ltd is the wholly-owned subsidiary of Shanghai Feile Co., Ltd. and one of the famous scientific instrument manufacturers with main products: analyze instrument, balance instrument, electric chemical instrument, physical optical instrument and integrated environmental monitoring system. It is the first group of Shanghai High Tech Enterprise and Top 100 Enterprises of Electronics and Information Department. And it is awarded as Shanghai Enterprise Technology Center with hundreds of independent intellectual property rights, invents and, patents, which fill the blank in China with many awards.

　　 As first domestic enterprise to produce analytic instrument, Rex produced the first PH meter and PH electrode. For half century innovation, it has set up the leading position in China analytic market and international market of China electric chemical analytic instruments. Under the idea of “fast, smart, efficient, uniform and sharing”, we update the products and varieties and have formed ten series of more than hundred products as PH meter, conductivity meter, automatic potention titrator, ion analyzer, dissolved oxygen analyzer, turbidity meter, power plant water quality monitoring instrument, environmental protection water quality monitoring instrument, and sensor. At present, it is the largest enterprise with complete kinds of electric chemical analysis instruments and other matching products, which can not only satisfy the domestic needs, but also are sold to East Asia, West Asia, East Europe, and South and North America with large market share and good reputation.

　　 Relying on the idea of “fast, smart, efficient, uniform and sharing”, Rex is promoting various operation activities and has built fast response organism to satisfy the market.

　　●Birth place of first domestic PH meter, Ph electrode
　　●Top 500 of National Mechano-electronics Enterprises (No.238)
　　●Top 100 of National Electronics Information Enterprises (No.68)
　　●First Group of Shanghai High Tech Enterprise
　　●Shanghai Municipal Science and Technology R&D Center
　　●Public Satisfied China Top 10 Brand Analyze Instrument
　　●Take the lead in passing ISO 9001 Quality Management System Certification
　　　　　　　　　　　　　　ISO14001 Environmental Management System Certification