Shenzhen Yisiteng Electronic Technology Co., Ltd is a medium-sized enterprise integrating the product designing, manufacturing, selling and service-providing. It possesses lots of excellent employees for research and development, management and technology; on the basis of scientific and rigorous management system, it has been implementing thoroughly the quality control system of ISO9001 equipped with perfect scientific approaches and testing conditions. We mainly manufactures metal detecting door, which has currently been brought into production of scale and become one of the key products of the company with more advanced technology than that of the same kind of product in domestic industry. This detecting door can be utilized extensively in the law execution department of the government, the social public place and the production enterprises; meanwhile the corporation also produces series of hand-hold detector, which has large detection extent, high sensitivity and accurate loc