5A, Triaditsa Str. fl. 4, office 410 1000 Sofia Bulgaria phone: (359-2) 980 83 82 mobile: (359-88) 588 30 03 nbs@techno-link.com nbschool@nbschool.eu NMS bank account DSK Bank AD, BIC: STSABGSF IBAN: BG45STSA93000020934402