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Tradesperson
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Building Certifier

Jiahong Li

Certified Passive House Consultant

Master Urban Planning

Beijing Sijia Energy Saving Building Materials Co., Ltd.

Ronghuazhonglu 19, Chaolin Plaza A
Room 606
100176 Beijing
China

Phone: +86 010-52835361
sales_china@siga.swiss
http://www.siga.swiss

Initial by Exam

Certificate valid from Feb. 26, 2020
Certificate valid until Feb. 26, 2025
The certificate only applies to this person.

Examined by Beijing Research and Development Center of Building Energy Efficiency at Beijing, China

Initial by Exam

Certificate valid from Feb. 24, 2020
Certificate valid until Feb. 24, 2025
The certificate only applies to this person.

Examined by Beijing Research and Development Center of Building Energy Efficiency at Beijing, China