Add: Room 2705, G Block of city one 48#, Wangjing West Road, Beijing, China .

Straight Line Telephone：+86-10-84414052 84414061

Add: Room 901, Building 34, No.518, Xinzhuan Road, Songjiang High-tech Park, Caohejing Development Zone, Shanghai,

Straight Line Telephone： +86-21-31225580

Website：www.ee-e.cn

Mail box: ：fengfeng99@vip.163.com