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Tellhow Intelligent Building
- Address: 9 Floor B, Tsinghua University Tongfang Tech. Square, Beijing, China
- Telephone Number: +86 10 82390077
- Facsimile Number: +86 10 82390070
- Services: Installation
- Products: Solar Photovoltaic Systems
- Web Site: http://www.tellhow.com.cn
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