Ju Yuan Duan

Certified Passive House Consultant

Junior College Construction Project Management

Bo Tou He Dong Jie Dao
062150 Bo Tou

Initial by Exam

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