| Address | : | Perumahan Semarang Indah Blok E.5 No.3 Semarang 50144, Jawa Tengah Indonesia |
| Phone | : | +62 24 761 92 49 (Office) +62 24 761 92 69 (Office) +62 24 761 92 54 (Fax.) +62 81 127 7725 (Mr. Aris Pentarto Mobile Phone) +62 81 795 74762 (Mrs. Kusriyati Mobile Phone) |
| : | duamusim@indosat.net.id office.duamusim@gmail.com |
