Plaza Tunjungan 1 Lt.1 No.40-41, Surabaya - Indonesia.
Tel. +62 31 532 6665 Fax. +62 31 532 6683
Tel. +62 31 532 6665 Fax. +62 31 532 6683
PTC Lt. LG Unit A3-01, Surabaya - Indonesia.
Tel. +62 31 739 0466 Fax. +62 31 739 0467
Tel. +62 31 739 0466 Fax. +62 31 739 0467