The auto parts industry in Liaocheng is mainly auto parts, which are mainly divided into the following aspects: 1.Engine accessories, including pistons, connecting rods, crankshafts, valves, etc. 2. Chassis and brake accessories, including brake pads, brake discs, suspension systems, car tires, etc. 3. Transmission system accessories, including clutches, transmissions, universal joints, etc. 4. Electrical and lighting accessories, including lights, batteries, starters, generators, etc. In Liaocheng, some manufacturers have accumulated profound technology and rich manufacturing experience in the production of auto parts. Among them, manufacturers such as Ruixiang Alloy, Shunde Group, Jingu Casting, and Taipusen have relatively high market share in engine and chassis parts, and their product quality has won praise from domestic and foreign customers.