Hongfan Na

Certified Passive House Consultant

bachelor Civil-engineering

Harbin Senying window Co. Ltd.

No. 9 Xinnong Street
Nangang district,Wanggang town
150000 Haerbin
China

Phone: +86 400-6700-999
nahongfan@126.com
http://www.sayyas.com/

Initial by Exam

Certificate valid from Jan. 7, 2020
Certificate valid until Jan. 7, 2025
The certificate only applies to this person.

Examined by Beijing Research and Development Center of Building Energy Efficiency at Beijing, China