Beijing Tianzheng Science and Technology Development Co., Ltd. are a science and technology enterprises that includes research and development, production and sales and trade, registered in the national park of Zhongguancun Fengtai Science Park. We wine the high-tech enterprises identified. R & D mainly products are confidential communications series, eavesdropping detection protection series, the network security protection series. We sales the famous brands equipment and software the entire world. Products at the global level has been widely used, including military, government, police and other large enterprises, to be consistent users of recognition and praise. The company set up under the R & D of new technologies, communications, business confidentiality, anti-wiretapping business, network security, the domestic business, international business, customer service and other departments. The company will continue to improve the technological content of products, adhere to the idea of advanced and practical oriented, and strive to develop the more and more advanced equipments with Chinese characteristics.