Address:
unit 8-1101, No.5 xi cui road hai dian district, Beijing.
Postcode: 100039

Marketing department address:
Unit 12-1308, hua yuan yi li, tai ping qiao street west, xi san huan zhong lu, beijing
Postcode: 100073

Tel.:86-010-58052398

     86-010-58052399

Tel. 86-010-88287891

     86-010-58052399

Email:bjfys@126.com