MASS ARITMA SISTEMLERI INSAAT SANAYI ve TICARET A.S.
Altaycesme Mahallesi Camli Sokak No: 21, 34843 Maltepe, Istanbul - Turkey
Phone: +90 (216) 301 1140 pbx
Fax: +90 (216) 301 1144
E-mail: info@massaritma.com