In Switzerland/在瑞士:

Swiss Green Buildings, c/o LEP Consultants AG
Sihlfeldstrasse 10, CH-8003 Zurich
Mr. Diego Salmeron:
Phone: +41 44 445 45 01
E-Mail: salmeron@lepcag.ch
Prof. em. Bruno Keller:
Mobile: +41 79 355 81 54
E-Mail: keller@arch.ethz.ch

In China/在中国: 

SGB, c/o Beijing Keller Century Building Technologies Ltd.
Ms. WANG Ze (Chief Representative China):
Mobile: +86 159 0105 7082
E-Mail:  ze.wang@outlook.com