Yuanyuan Yao

Certified Passive House Consultant

Bachelor Financial Management

China Railway 19th Bureau Group Co., Ltd.

Ronghua south Street, Building 1, No.19,Beijing economic and technological Development Area, Daxing District
100176 Beijing
China

Phone: +8618751885935
jxy569@126.com
http://www.cr19.com

Initial by Exam

Certificate valid from Aug. 23, 2018
Certificate valid until Aug. 23, 2023
The certificate only applies to this person.

Examined by Jiang - Passivhaus Technik at Beijing, China