Xian Da Wang

Certified Passive House Consultant

B. Sc. Engineer

Grünznwindow industry Co.LTD

No.5 Nan gang district Wang Gang tach
150080 Harbin

Initial by Exam

Certificate valid from Aug. 16, 2019
Certificate valid until Aug. 16, 2024
The certificate only applies to this person.

Examined by Beijing Emerald Architecture Science and Technology Co., Ltd. / Yao Yi at Jinan, China