Tonger is one professional corporation 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 China manufacture. Tonger company purchased stock 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. Every month Tonger can sell over 126, 000pcs of sensor products and more electric accessories to traders and export companies. Tonger sensors was widely used in many different lines, such as Auto, Machinery, Mine, Printing, Petrochemical, Construction, and so on.　http://www.tonger.cn　http://www.made-in-china.com/showroom/tonger