DIAN NIAGA JAKARTA, Others DKI Jakarta Bricket, Other Wood, Sawdust & Wood Waste & Scrap, Wood Charcoal, Drs. Johny W. Utama, Markus Sugianto, Martha. mktdianjkt@dnet.net.id (62-21) 5851929, 5844078 www.dianniaga.com (62-21) 5850624 Jl. Raya Pos Pengumben No. 34, Joglo, Jakarta Barat