Yong Dai

Certified Passive House Tradesperson, specialised in Building Envelope & Services

Langshan Street 4, Shijingshan District
100041 Beijing
China

Initial by Exam

Certificate valid from July 30, 2018
Certificate valid until July 30, 2023
The certificate only applies to this person.

Examined by Jiang - Passivhaus Technik at Beijing, China