Batang Peranap sub-district is one of the largest rubber plantation centers in Indragiri Hulu Regency with rubber production up to 7,877 tons in 2018. Rubber produced in Batang Peranap sub-district is processed into processed rubber material (Bokar) in the form of lumps. Basically, the bokar produced by farmers is in a low quality, so the price of bokar is only around Rp6000/kg and it has even …