Dongshen Petrochemical Technology Co., Ltd. is an innovative high-tech company specializing in the development, production and application of new nano material. Mainly producing and providing multi-purpose nano lubricant additives with the functions of saving fuel, anti-wear and maintenance etc., widely applied in engine oil tank and transmission tank of a variety of vehicles, such as motor, car, bus, passenger car, tractor, truck, heavy duty vehicles,ships etc. and lubricating system of ...