Sunnysky versus Sigma Energy Systems
Website:
http://www.tianyuansolar.com
Country:
China
Address:
No. 6 Building 6, Yiheng Road, Xipengling, Hebian Wushe Industrial Area, Baiyun District, Guangzhou, Guangdong
Website:
http://www.sigmaes.eu
Country:
Germany
Address:
In der Kühweid 17, 76661 Philippsburg