Tianyu Sun
Certified Passive House Designer

Bachelor Civil-engineering
Harbin Senying window Co. Ltd.
No. 9 Xinnong Street
Nangang district,Wanggang town
150000 HaErBin
China
Phone: +86 400-6700-999
suntianyu@sayyas.life
http://www.sayyas.com/
Initial by Exam
Certificate valid from Aug. 1, 2019
Certificate valid until Aug. 1, 2024
Certificate valid until Aug. 1, 2024
The certificate only applies to this person.
Examined by Beijing Research and Development Center of Building Energy Efficiency at Beijing, China