VINDAI AGRO INDUSTRI, PT North Sumatera Sweet Potato Dehydrated Fruits, Erwin Sumiko. eximvia@yahoo.co.id (62-61) 6644653 (62-61) 6644654 Jl. Bilal No. A-3, Kel. P. Brayan Darat 1 - Kec. Medan Timur