Compare Solar Panel Manufacturers: LONGi vs UPSEN Electric

Website:

https://www.longi-solar.com

Country:

China

Address:

No. 388, Hangtian Middle Rd., Chang'an District, Xi'an, Shaanxi

Website:

http://www.upsen.net

Country:

China

Address:

5b, Jiandacheng Industrial Park, Central Road, Shajing, Bao'an, Shenzhen, Guangdong