ALFO CITRA ABADI, PT North Sumatera Alumunium Foil, Alumunium Products, Paydi Lukman, Susanti Loydas. alca@indosat.net.id (62-61) 4514708, 4515553 (Hunting) www.alumuniumalca.com, www.alcaexrusion.com (62-61) 4511528, 4511520 Jl. Mesjid Raya No. 14