Shanghai TangNa Computer Technology Co., Ltd. is a high-tech enterprise which specializes in development, production, sales and service of LED screen, LED light, LED Traffic light and so on. It is also a professional ODM for indoor and semi-outdoor series of single and dual primary color and full color display screens' projects Install, debug, Fix. Therefore, the company could establish strategy alliances with the suppliers of LED screen material and retailers in China and from overseas, so as to realize resource sharing, mutual supplement with each other's advantages, rational division of work and operation with high efficiency of modern enterprise, and to provide guarantee for satisfying demand of the user. By really achieving the target of only providing matured, steady and high quality products to the customers; Our Company realize our development strategy as stepping abroad and being more competitive on the world market.