The company to which the Xiaoniu Lubricating Oil brand belongs, Haoming Lubrication Technology, has been recognized as a “Specialized, Refined, Characteristic, and New” small and medium-sized enterprise and a high-tech enterprise in Shandong Province. The company owns 7 invention patents, 16 utility model patents, and 1 design patent. Among them, the preparation method of an antioxidant natural gas engine lubricating oil with the patent number ZL 2015 1 0677301.2 and the preparation method of a gasoline engine lubricating oil with good anti-wear performance with the patent number ZL 2015 1 0677604.4 have been evaluated by the expert group as being of international advanced level. The product line of Xiaoniu Lubricating Oil covers five major fields including passenger vehicle oil, commercial vehicle oil, new energy vehicle oil, construction machinery oil, and industrial lubricating oil, with more than 200 kinds of oil products.