Yongxia Sun
Certified Passive House Designer
Master Heating ,ventilation And Air Conditioning
China Institute of Building Standard Design &Research
Yangshan district in Xinyang
China
Phone: +86-(0)10-68799294
20189994@qq.com
http://www.cbs.com.cn
Initial by Exam
Certificate valid from May 15, 2019
Certificate valid until May 15, 2024
Certificate valid until May 15, 2024
The certificate only applies to this person.
Examined by Beijing Research and Development Center of Building Energy Efficiency at Beijing, China