Compare Solar Panel Manufacturers: ILB Helios Group vs DH-Solar

Website:

http://www.ilb-helios-group.com

Country:

Switzerland

Address:

Chamerstrasse 175, CH-6300 Zug

Website:

http://www.dh-solar.com

Country:

China

Address:

13E, QuanZhi Science & Technology Building, Maozhoushan Industrial Park, Shajing Area, Bao'an District, Shenzhen, Guangdong