Shanghai Tonger Sensor-electric Co.,Ltd. is one famous company specialized in Sensor Manufacture of worldwide market. For promoting the technology and artwork development of sensor, Tonger Corp. have been actively boosting the cooperation of advanced sensor tech and Tonger manufacture. Tonger company purchased securities of some important Chinese Sensor academes for strict QC and competitive cost. By wide and reciprocal cooperation Tonger established reliable and strong market net in China and other countries. Every month Tonger can sell over 336, 000pcs of sensor products, and more relays ,other electric accessories to Chinese export companies. Products include kinds of, Proximity Sensors, Photoelectric Sensors, Infared Sensors,Fibre optic Sensor with amplifiers Magnetic Contacts Switch, Reed Switch, and Safe Light Curtain Sensors. Tonger sensors was widely used in many different lines, such as Textile, Machinery, Mine, Printing, Petrochemical, Construction, and so on. Number of Employees:* 460 Annual Turnover: more 9.5 Million US$ </p>