PT. Putindo Bintech is specializing in the development, production and supply of processed natural rock asphalt / bitumen by manufacturing premium modifier for hot, warm and cold mix asphalt with superior performance against all weather conditions. Buton Asphalt, or commonly known as asbuton (an abbreviation from the Indonesian language, Aspal Buton) is our primary product. It has been proven to provide better durability when used as bitumen modifier for pavement applications.