The auto parts industry in Liaocheng developed earlier and covers a wide range of fields, mainly including braking system, engine system, transmission system, steering system, chassis system and body system. The following is a description of the auto parts industry in Liaocheng: 1. Brake system: Auto parts companies in Liaocheng mainly produce brake pads, brake drums, brake discs, brake oil and brakes. Mainly, the market share is high. 2. Engine system: Auto parts enterprises in Liaocheng mainly produce piston rings, plungers, cylinder heads, engine belts, bearings and other accessories for the engine system. The production scale of enterprises is mainly small enterprises. 3. Transmission system: Auto parts enterprises in Liaocheng City mainly produce transmission gears, synchronizers, gearboxes, clutch discs and other products. There are a wide variety of products, and mid-range and high-end products dominate the market. 4. Steering system: Auto parts companies in Liaocheng mainly produce spare parts such as steering gear oil seals, steering knuckle frames, steering gears, steering gears, and booster pumps. 5. Chassis system: Auto parts companies in Liaocheng mainly produce tires, car seats and various suspension, anti-shock and shock-absorbing system products. Generally speaking, the auto parts industry in Liaocheng City has certain competitiveness in terms of product quality, scale and market share. Despite the constraints of the market and technology, the market demand continues to increase, and the industry still has great development prospects.