Tratek versus Astronergy
Website:
http://www.tratek.eu
Country:
Germany
Address:
Sebastian-Kneipp-Str. 41, 60439 Frankfurt am Main
http://energy.chint.com
China
1335 Binan Road, Binjiang, Hangzhou, Zhejiang
Compare Tratek TKP60 275 & Astronergy 415W