INDOMAK KITACIPTA KARYA, PT DKI Jakarta Alumunium Products, Ridwan Hadinoto ridwanhadinoto@yahoo.com (62-21) 45858111 (62-21) 45858124 Gd. Graha Kita Karya Lt.2, Jl. Boulevard Bukit Gading Raya No. 1 - Kelapa Gading, Jakarta Utara