BOSCO Motor Oil for gasoline engine and diesel engine. There are 1.Full synthetic motor oil 2. Semi-synthetic Motor oil and 3. Mineral oil base motor oil which were blended with high quality base oil group and the best motor oil additive(from USA.) by the advanced machinery and standards. The every motor oil products were registered with the Department of Energy Business, Ministry of Energy. BOSCO Motor Oil have been pass and approved in every quality class.