Shenzhen Dongyi Technology Development Co., Ltd. (EAST BEST TECHNOLOGY LIMITED). We are engaged in security equipment, electronic products, digital products, audio , home appliances, office supplies research , development, production and sales. Our company has been adhering to user needs as the core . focusing on China's domestic market development , and providing products and services to the world's countries. Quality and intentions of the service has won numerous customer 's trust and praise , and gradually establish a good corporate brand. Our companies not only provide high quality products , but also to establish a sound service system , the problems and difficulties encountered by our customers to provide guidance to help . We are committed to providing customers with satisfactory products , best sales services, production services, after-sales service . We believe that through our continuous efforts and pursuit, we will become one of the world's top suppliers , creating the world's top quality brand , TEC EAST BEST.