Beijing Stone computer technology development center

The Centre Group is a wholly owned subsidiary of the Centre over the years has been engaged in electronic ballasts and application technology development and research work, a number of results-scale production has now entered the centre with the development of the national electrical standards electronic ballasts in January 1994 had passed through the United States UL935 standards has been achieved permits to enter the United States market, with 701 now, in electronic ballast production bases (701 factory) production.