Compare Solar Panel Manufacturers: Hwawin New Energy vs VTA Technologie

Website:

http://www.hwawin.com

Country:

China

Address:

Room B408, 409, 508, 509 of Building 1, Oriental Plaza, Zhangjiagang, Jiangsu

Website:

http://www.vta.cc

Country:

Austria

Address:

Umweltpark 1, A-4681 Rottenbach