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Tradesperson
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Building Certifier

Yun Zhang

Certified Passive House Designer

M. Sc. Engineer

China Construction Eighth Engineering Division Co. Ltd

Yangshan district in Xinyang
China

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