Compare Solar Panel Manufacturers: Great Solar Technology vs VTA Technologie

Website:

http://www.great-solar.com

Country:

China

Address:

No. 56-1, Hengsheng Science and Technology Park, Tianning District, Changzhou, Jiangsu

Website:

http://www.vta.cc

Country:

Austria

Address:

Umweltpark 1, A-4681 Rottenbach