Changcen Yang

Certified Passive House Tradesperson, specialised in Building Envelope & Services

Building Environment And Equipment Engineer

iGoal Tech(Tianjin) Co., Ltd.

No. 16, Cuiming Road, Yixian Yuan, Wuqing Development Zone
301700 Tianjin

Phone: 0086-22-82140300

Initial by Exam

Certificate valid from July 24, 2019
Certificate valid until July 24, 2024
The certificate only applies to this person.

Examined by Jiang - Passivhaus Technik at Tianjin, Germany