Shanghai Ren Zhong Instrument Electric Co., Ltd. - Shanghai Electronic Manufacturers Association, Shanghai E-core members of the Chamber of Commerce. With the establishment of comprehensive economic reform, Shanghai Ren companies, relying on long-running short side, sincere cooperation; meter electronics, the belief long way to go for industrial automation instrumentation electrical fields, for a large number of enterprises to provide a full range of services and cooperation. Over the years, especially in the exchanges, DC motor speed and control; electronic, mechanical counters integrated application; Intelligent instrumentation and measurement of the signal conversion and control; photoelectric detection and location of sensors; time control and measurement has a depth research and development. Development formed the slip motor speed control products, gear reducer motor controller series products; torque motor controller series products; DC motor speed controller series products; a full range of intelligent instruments: tachometer, frequency tables, line speed table , raster table; Meters, counters, taking into account codec; ammeter, voltmeter, power meter, power parameter table; temperature, pressure, flow, humidity, etc. series of intelligent products; photoelectric, proximity switch series products, all kinds of electronics, mechanical Counter series of products; microcomputer when the control switch, micro-computer rang the bell series products. After many years of ope