SHAMROCK MANUFACTURING CORPORA, PT North Sumatera Gloves of Rubber, Lipuni Kwanto, Rudi Salim, Shella Ng. shamrock@indosat.net.id, shella@shamrock-di.com (62-61) 4558888 www.smc-gloves.com (62-61) 4520588 Jl. Pemuda No. 11 Kel. Aur, Kecamatan Medan Maimun