PUTRA RIMBUN, CV North Sumatera Coffee Beans, Drs, T. M. razali, Iqbal, A. Md., Prof. DR. Mariam Darus, SH, FCArb. putrarimbun@yahoo.co.id, mariam@daruslaw.com (62-61) 7367325, 7362740, 7360994 (62-61) 7360994 Jl. Paduan Tenaga No. 14