Yongxia Sun

Certified Passive House Designer

Master Heating ,ventilation And Air Conditioning

China Institute of Building Standard Design &Research

Yangshan district in Xinyang

Phone: +86-(0)10-68799294

Initial by Exam

Certificate valid from May 15, 2019
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