Shanghai JieNa Industry Technology，which is a commitment to provide customers with production which is the most suitable for the customer‘s demand, the best valuable movement, drive control system and related products and provide the total solution ，is a product carriers and system integrator. JieNa Industry Technology has become an important international brand cooperator with Europe, America, Japan, Korea and Taiwan and so on in China. The productions involve encoder, rotating transformer, photoelectric switches, proximity switches, solid-state relay, displacement transducer, PLC, motor, air blower, industry pump, control terminals, servo system, dc and ac regulator, etc, and provides all series automation system and automation products professionally which involve machinery manufacturing, process automation, automobile manufacture, intelligent building, energy and power, chemical pharmaceutical, environmental protection water treatment and so on.