Address: No. 8, Liangshuihe 2nd Street, Beijing Development Area, Beijing, China.

Tel: 86-10-67808515

Email: sales@hzldgs.com

Tianjin factory address: No. 117, Yongjin Road, Beichen Economic and Technology Development Area(BEDA),Tianjin, China.

Tel: 86-22-26876901-6006