PRAPAT TUNGGAL CIPTA, PT DKI Jakarta Autolysed Yeast Preparations, Filtering/Purifying Machinery & Apparatus Gases, Kustiawan ptc@cbn.net.id, pt.ptc_ptc@yahoo.com (62-21) 6288835 (Hunting), 6595558 (62-21) 6288171, 6288837 Karang Anyar Permai, Jl. Karang Anyar No. 55 Blok A1 No. 1, Sawah Besar, Jakarta Pusat