Bei Chang Jun Kong (Beijing) technology Co., LTD. Is a high technology enterprise located in Zhongguancun science park high technology in Beijing. The whole company takes an area of more than 10000 square meters, and covers 4500 square meters for specialized production. Since established, through the close cooperative relationships with the well-known scientific research institutes and universities, our company has trained a great number of staff teams with professional technology and rich practical experience, and has always been engaged in the research and development of hi-tech products,...