CIPTA MORTAR UTAMA, PT DKI Jakarta Of Portland Cement, Portland Cement Type I, White Cement, David AL. info@mortarutama.com, firly@mortarutama.com (62-21) 5226619 (Hunting) www.nortarutama.com (62-21) 5226629 Menara Sudirman Lantai 11, Jl. Jenderal Sudirman Kav. 60, Jakarta.