Ju Yuan Duan
Certified Passive House Consultant

Junior College Construction Project Management
Bo Tou He Dong Jie Dao
062150 Bo Tou
China
Initial by Exam
Certificate valid from Jan. 8, 2020
Certificate valid until Jan. 8, 2025
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