Mechanical filtration of 350 and 550 is universal; According to the structure, mechanical filters can be divided into replaceable, rotary and centrifugal types; According to the arrangement in the system, it can be divided into full-flow type and split-flow type. Filter materials used for mechanical filtration include filter paper, felt, metal mesh, non-woven fabric, etc.

The function of the mechanical filter is to filter out the harmful impurities in the engine oil from the oil pan, and supply clean engine oil to the crankshaft, connecting rod, camshaft, supercharger, piston ring and other motion pairs, thus playing the role of lubrication, cooling and cleaning, thus prolonging the service life of these parts.

Roewe is an automobile brand owned by Shanghai Automotive Industry (Group) Corporation, which was launched in June 2006. The automobile technology under this brand comes from Rover previously acquired by Shanghai Automobile, but Shanghai Automobile did not acquire the "Rover" brand. On June 65438+1October 65438+February 2006, Shanghai Automobile (Group) Co., Ltd. (hereinafter referred to as "Shanghai Automobile") officially announced that its own brand was named "Roewe", which means "innovation honor and prestige are all over the world". Roewe's brand has developed rapidly in the past four years, and its products have covered the intermediate and high-end car markets. "Technology" has become the brand label of Roewe. Roewe brand slogan is "taste, technology and realization".