Yajuan Liu

Certified Passive House Consultant

Bachelor Building Product Manufacturer

Beijing Cofinetree Technology Co.,Ltd

CHAOYANG North Road
Room 301, Tower 3, Zhong Hong International Business Garden, Future Business Center
100024 Beijing
China

Phone: +86 10 65581229/1232
info@cofinetree.com
http://www.cofinetree.com

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