ASIA KAOLINRAYA, PT DKI Jakarta Kaolin (China Clay), Sugiono, Wawan Mulyawan akr@indo.net.id, sales@asiakaolinraya.com (62-21) 45851593, 45822322 (62-21) 45855419 Komplek Gading Bukit Indah Blok RA No. 10, Jl. Bukit Gading Raya- Kelapa Gading, Jakarta Utara