HANG NENG AIR & FLUENT (Beijing) Office

Tel: 0086-10-65629688-19

Mobile:0086-13911196672

Fax: 0086-10-65617088

Email: mail@hangnengvent.com

Address: Room 601, Unit 1, Building 17, Zijin Changan, No. 17 Xicui Road, Haidian District, Beijing City