Researching, developing and making high-quality marine lubricants & fluids, on the other hand, is somewhat of a specialty at Nano Oil Refining Company GmbH. In fact, NORC main- & minor-grade marine lubricants are state-of-the-art solutions and even exceed OEM specifications. Excellent deposit & wear control is the hallmark of NORC marine engine oils. The NORC range meets the demands of the most modern & highly rated engines as well as other applications.