SHANGHAI JEELON ELECTRON CO.,LTD factory automation,various kinds of basic automatic elments are widly adopted.our comany has brought in the advanced international standard technological appliances,including dedicated production lines for sensors from Simens company in Germen,Amenrican silk net printers,English thick film testing instruments and laser reparing and tuning machines,Japanes automatic plunger and so on. 　　It has more than twenty years' experience of researching,developing and producing various serieses of proximity switches,infrared photoelectric switches,magnetic switches,shifting linear sensors,ultrasonic sensors,color-coded sensors,digital display time relay,summary counter,prorammable time controller,counter,intelligent metric calculator,double current voltmetric,current meter,power meter,frequency meter,tachometer,linear velocity meter,intelligent temperature-controller,solid-state relayand voltage-regulator,rectification voltage-regulation module,DCmotor adjustable speed module,power-line fitter,double current electromagnet and so on.The new generation products have adopted ASIC circuit,SMT technological and digital skills,applied CAD/CAM system,and set up all-round quality management guarantee system,according to ISO 9001 Standard to make the performance and quality of the products up to the advanced standard of the same kind of products internationally in the late 90's and in the leding position at home.