NATRACO SPICES INDONESIA, PT West Sumatera Cinnamon (Cassia Vera), Cloves, Gambier, Rostini Rusli, Indra Wijaya Effendi, Djohan Effendi. sales@natracospices.com (62-751) 31878, 31874, 31875 (62-751) 34288, 33114 Jl. Pangeran Diponegoro No. 5