Compare Solar Panel Manufacturers: Rocsolar New Energy vs VTA Technologie

Website:

http://www.rocsolar.com/en/

Country:

China

Address:

B1020, Huakang Building, No. 899, North Chaoyang Street, Baoding, Hebei

Website:

http://www.vta.cc

Country:

Austria

Address:

Umweltpark 1, A-4681 Rottenbach