WAHANA GRAHAMAKMUR, PT North Sumatera Coffee, Fresh Or Chilled, Potatoes, Suryo Pranoto, Pandalia Mariance. pranoto@nusa.net.id (62-61) 8454291, 8454292, 8454293 (62-61) 8454294 Jl. Kompos No. 110 A (Medan - Binjai Km. 12)