SUMATRA ORGANIC BENER MERIAH MANDIRI MANDHELING GRADE 1 is sourced from family-owned farms organized around an export company called CV. Gayo Mandiri Coffee, located in the Gayo highlands of the Aceh province on the island of Sumatra, Indonesia. CV. Gayo Mandiri Coffee is a family-owned export company that operates its own mill and collaborates with farmers to access the international coffee markets, ensuring greater earnings from direct trade relationships.