Established on 1992, the registered capital of Beidian Group is 51 million Yuan. Beidian provides sound communications products and services .It was recognized as Shanghai high-tech Enterprise by Shanghai Science and Technology Commission and Shanghai Economic Commission .We are the member of China Communications Standards Association. We also get the title of shanghai top 100 private scientific and technological enterprises. The company passed the ISO9001 quality management system certification and ISO14001 environmental management system certification 。Annual sales is 400 million Yuan .We have a lots of qualifications, such as: Communications information network system integrator qualification (Class A), the construction enterprise qualification(II level), Certificate for Contracting Foreign Construction Projects. There are more than 20 communications patents.