An Indonesian coffee factory is still functioning after more than 50 years in Silungkang, West Sumatra, Indonesia. This coffee mill established by Lukman Kincir since more than 50 years ago and still using flowing water to turn the wheels for they production. Water from the river Batang Lasi twist a propeller diameter around three meters. The windmill that powers some stem pounder and also rotate the coffee roasting vessel. Pounder using water flow power, while the vessel is heated by firewood, and the coffee is filtered by human power. In one day this factory produces about 400 kilograms with a brand Cap Teko.
