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Tradesperson
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Building Certifier

Jianguo Xu

Certified Passive House Designer

Master Industrial And Civil Building

Liaocheng Changrun Housing Development and Construction Co., Ltd.

Dongchangfu District, Dongchang east Road 3
252000 Liaocheng
China

Phone: +86(0)6352119511
o.cr@vip.163.com
http://www.crtz.com

Initial by Exam

Certificate valid from Aug. 23, 2018
Certificate valid until Aug. 23, 2023
The certificate only applies to this person.

Examined by Jiang - Passivhaus Technik at Beijing, China