Wan Shitong（Shenzhen） the electronic technology Limited company is established in the 2OO4 year. Is the specialized development production figure small regards the audio frequency videocorder, the vehicle carries the motion miniature videocorder, the network long-distance monitoring videocorder, the vehicle carries high technology and new technology and so on back sight supervisory system Chinese-foreign joint ventures! Since this company has been founded takes seriously to researches and develops the new product the investment, presently has the proper name experienced to research and de ...