According to § 5 TMG:

My Solar Systems UG

Charlottenstraße 51

40210 Düsseldorf

 

represented by: 
Managing 

Charalampidis Nikolaos

Contact:
Phone: : +49 (0) 211 / 976 342 09

Fax :  +49 (0) 211 / 542 245 56 
E-Mail: info@mysolarsystems.de

Sales tax:
Sales tax identification number according to §27 a sales tax law: 
DE 322114548

Commercial Register :
District Court Amtsgericht Düsseldorf, HRB 85003