Hong Kong Headquarter

Tel：852-27807029

Fax:852-27830149

Address:Bank Center 1015,Nathan Road 636,Mongkok,Kowloon,H.K.

Beijing Office

Tel：86-10-58236701  

Fax：86-10-58236702

Address：Room 1205,Building C,Kaixuancheng,No.170 Beiyuan Road,Chaoyang District,Beijing 100101 China.

Zip Code：100101

Email：ol@olenergy.com