SUMATERA TROPICAL SPICES, PT West Sumatera Cinnamon (Cassia Vera), Ir. H. Bambang Winarto, Albert F. Goetze III. stsbws@stspices.com, amina_hasan@stspices.com (62-751) 482500 (62-751) 482700 Jl. Raya Padang Bukittinggi Km. 24, Pasar Usang - Batang Anai