OPES Solutions versus Guolong
Website:
http://www.opes-solutions.com
Country:
Germany
Address:
Chausseestr. 22, 10115 Berlin
Website:
http://www.guolong-solar.com
Country:
China
Address:
No.1 Yingshan Road, Industrial Concentration Area, Phoenix Town, Zhangjiagang, Jiangsu 215600