Ju Yuan Duan

Certified Passive House Consultant

Junior College Construction Project Management

Bo Tou He Dong Jie Dao
062150 Bo Tou
China

Certificate valid from Jan. 8, 2020
Certificate valid until Jan. 8, 2025

The certificate only applies to this person.

Examined by GBA - Green Building Academy / Dawid Michulec (大卫米库莱克) at Beijing, China