Beijing the Guangrun through Science and Technology Development Co., Ltd., located in Beijing Zhongguancun High-tech Park, specializes in broadband network access products, optical transmission system development, production, sales, and agent for high-tech enterprise. The combination of serious and responsible long been engaged in optical communications, forge ahead talents, these people in the technical aspects of the integrated access, data transmission, optical communication, and interface converter has a wealth of development experience and strength. In order to better respond to international market demand, we have been committed to new product development and promotion, and with several universities and research institutions to establish a cooperative relationship, the practical application of the market to lead the company's technology research and development, making the technical and functional leader in the industry. Meanwhile, according to the customer's system requirements and technical requirements, professionally designed and customized with suitable communication products.