Yanfeng Zhang

Certified Passive House Consultant

Master Engineer

Hebei Institute of Architectural Design & Research Co., Ltd.

83#,Jianshe Street, Yuhua District
050011 Shijiazhuang
China

Phone: 0086-311-80995662
yisuo7045@126.com
http://www.hebdi.net

Initial by Exam

Certificate valid from Feb. 11, 2019
Certificate valid until Feb. 11, 2024
The certificate only applies to this person.

Examined by Jiang - Passivhaus Technik at Beijing, China