Great Wall Parts

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Founded in 2012 and headquartered in Baoying County, Yangzhou, Jiangsu Province, a renowned industrial hub for automotive metal components in China, Juncheng specializes in research and development, precision manufacturing and global distribution of high-quality automotive metal components.

The company is China Great Wall Parts Manufacturers and Custom Great Wall Parts Suppliers. With advanced production technologies, we are committed to delivering reliable automotive component solutions and continuous innovation, as well as robust quality management systems. Today, Juncheng has established itself as a trusted and influential supplier in the industry.

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Jiangsu Juncheng Vehicle Industry Co., Ltd.
Jiangsu Juncheng Vehicle Industry Co., Ltd. Jiangsu Juncheng Vehicle Industry Co., Ltd. Jiangsu Juncheng Vehicle Industry Co., Ltd.
  • Jiangsu Juncheng Vehicle Industry Co., Ltd. Jiangsu Juncheng Vehicle Industry Co., Ltd. Jiangsu Juncheng Vehicle Industry Co., Ltd.
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  • Jiangsu Juncheng Vehicle Industry Co., Ltd. Jiangsu Juncheng Vehicle Industry Co., Ltd. Jiangsu Juncheng Vehicle Industry Co., Ltd.
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  • Jiangsu Juncheng Vehicle Industry Co., Ltd. Jiangsu Juncheng Vehicle Industry Co., Ltd. Jiangsu Juncheng Vehicle Industry Co., Ltd.
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  • Jiangsu Juncheng Vehicle Industry Co., Ltd. Jiangsu Juncheng Vehicle Industry Co., Ltd. Jiangsu Juncheng Vehicle Industry Co., Ltd.
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Key Components of Great Wall Parts in Automotive Engineering

The chassis is the primary structure that supports all other major parts of the vehicle, including the engine, suspension, and body. Chassis components must be engineered with precision to provide the vehicle with the strength, durability, and flexibility needed for high-performance driving. At Jiangsu Juncheng Vehicle Industry Co., Ltd., we specialize in producing high-quality chassis parts, ensuring that each component meets the exacting demands of the automotive industry. Key components of a chassis include the frame, cross members, and struts. The frame forms the backbone of the vehicle, carrying the weight of the engine, transmission, and other components while providing a stable platform for the body. The frame must be constructed from materials that combine strength and lightness, and at Jiangsu Juncheng, we use advanced materials such as high-strength steel and aluminum alloys to ensure both durability and performance. Cross members are designed to connect different parts of the frame, adding rigidity and structural support. These components are engineered to withstand the forces generated during acceleration, braking, and cornering. Struts, meanwhile, serve to connect the suspension system to the vehicle’s body. They play an essential role in providing stability during driving and helping absorb shocks from the road. The precision engineering of these parts is critical, and at Jiangsu Juncheng, we use state-of-the-art manufacturing techniques such as robotic welding and CNC machining to ensure they meet the highest standards. The chassis also integrates various safety features, such as crumple zones, which are designed to absorb the impact in the event of a collision. These zones must be carefully designed and precisely manufactured, which is why we pay meticulous attention to detail in every chassis part produced. The reliability of the chassis components directly affects the safety and performance of the entire vehicle, and at Jiangsu Juncheng, we are committed to providing automotive manufacturers with the strongest, most reliable chassis parts.

The engine is the central component that powers a vehicle, and the parts that make up the engine must be meticulously designed and manufactured to perform under extreme conditions. Components such as pistons, cylinder heads, crankshafts, and camshafts work in harmony to convert fuel into energy, propelling the vehicle forward. At Jiangsu Juncheng Vehicle Industry Co., Ltd., we focus on producing precision-engineered engine components that help achieve optimal performance and fuel efficiency. Pistons are critical for converting the energy created by combustion into mechanical energy, which powers the vehicle. Pistons are subjected to extremely high pressures and temperatures during operation, and the materials used must be able to withstand these stresses. We manufacture pistons using advanced alloys, such as forged aluminum, which offer a high strength-to-weight ratio. The design of the piston must take into account factors such as thermal expansion, friction reduction, and resistance to wear, which is why our manufacturing processes involve rigorous quality control to ensure each part meets the highest standards. Cylinder heads house the engine's valves, spark plugs, and camshafts. These components must form a tight seal to prevent the escape of exhaust gases and allow for optimal air-fuel mixtures to enter the engine. We ensure that every cylinder head we produce is designed to meet exacting specifications, with smooth surfaces and tight tolerances to prevent leaks and improve combustion efficiency. The choice of material is also crucial; we use lightweight yet durable alloys to enhance performance while minimizing weight, which contributes to better fuel efficiency. Crankshafts and camshafts are vital for the engine’s timing and operation. The crankshaft converts the reciprocating motion of the pistons into rotational motion, which drives the vehicle’s wheels. Camshafts control the timing of the engine’s intake and exhaust valves, ensuring proper air intake and exhaust gas expulsion. At Jiangsu Juncheng, we manufacture these components with extreme precision using advanced machining and grinding techniques, ensuring smooth and reliable engine operation.

The suspension system is essential for vehicle stability, handling, and ride comfort. It connects the vehicle’s body to the wheels, allowing for controlled movement and absorbing shocks from the road. Suspension system components include shock absorbers, springs, struts, control arms, and sway bars, each playing a distinct role in ensuring that the vehicle remains stable, comfortable, and responsive. At Jiangsu Juncheng Vehicle Industry Co., Ltd., we manufacture suspension components with precision to deliver vehicles that handle well in all driving conditions. Shock absorbers are key to controlling the vehicle's motion and minimizing the impact of road irregularities. By dampening the oscillation of the springs, shock absorbers reduce the amount of vibration and noise transmitted to the vehicle's occupants. At Jiangsu Juncheng, we use advanced hydraulic and gas-charged shock absorbers that ensure optimal performance. These components are engineered to handle varying load conditions, from city driving to high-speed maneuvers, ensuring that the ride is smooth and stable regardless of the road surface. Springs, including coil springs and leaf springs, are used to support the weight of the vehicle and absorb shocks from the road. The choice of material and design is crucial for the suspension’s ability to maintain optimal ride height and handling performance. We manufacture springs using high-strength steel, which ensures that they can handle the forces placed upon them without losing their elasticity or shape. We offer customization options for our suspension springs to meet the specific needs of different vehicle types. Control arms are another critical suspension component, allowing for controlled movement of the wheels while maintaining proper alignment with the vehicle's frame. These parts are essential for ensuring that the suspension geometry is correct, which directly influences handling and stability. At Jiangsu Juncheng, we use CNC machining and robotic welding techniques to manufacture control arms with precise dimensions, ensuring that they are both durable and highly functional.

The brake system is one of the most important safety features in a vehicle, allowing for safe deceleration and stopping. Brake components must be designed to handle high thermal loads and provide consistent performance. At Jiangsu Juncheng Vehicle Industry Co., Ltd., we produce high-quality brake system components, including brake pads, rotors, calipers, and master cylinders, to ensure that every vehicle is equipped with reliable stopping power. Brake pads are the components that make direct contact with the brake rotors to generate the friction required to slow the vehicle down. We manufacture brake pads with high-performance friction materials that offer superior stopping power while minimizing wear and tear. These pads are designed to operate in a wide range of conditions, from everyday driving to high-performance braking, ensuring that drivers can rely on their vehicle’s brakes at all times. Brake rotors, or discs, work in tandem with the brake pads to slow the vehicle. The rotors must be durable enough to withstand the friction and heat generated during braking. At Jiangsu Juncheng, we produce rotors using high-quality cast iron and carbon composite materials, ensuring that the rotors are resistant to warping and can handle the heat generated during heavy braking. The smoothness and precision of the rotor's surface are also critical for ensuring effective braking, and we use advanced machining techniques to achieve this level of precision. Brake calipers and master cylinders are vital components of the hydraulic brake system. The calipers house the brake pads and apply pressure to them when the brakes are engaged. The master cylinder is responsible for generating the hydraulic pressure needed to activate the brakes. At Jiangsu Juncheng, we ensure that both calipers and master cylinders are manufactured with precision, using high-strength alloys and materials that can withstand high temperatures and provide reliable braking performance over time.

The electrical system in a vehicle is responsible for powering a variety of components, from lighting to infotainment systems, sensors, and advanced driver-assistance systems (ADAS). Electrical components must be designed and manufactured to ensure proper function under a range of driving conditions. At Jiangsu Juncheng Vehicle Industry Co., Ltd., we produce a range of electrical system components, including wiring harnesses, connectors, alternators, and sensors, ensuring that our clients receive reliable and high-performing electrical components for their vehicles. Wiring harnesses are the backbone of the vehicle's electrical system, connecting various electrical components together and allowing them to communicate and function correctly. The design of the wiring harness must ensure that wires are routed in a way that minimizes risk of damage while providing enough length and flexibility to accommodate various vehicle configurations. At Jiangsu Juncheng, we use durable materials for the wires and connectors in our harnesses, ensuring that they can withstand heat, vibration, and moisture while maintaining excellent conductivity. Alternators are responsible for generating electrical power when the engine is running, ensuring that the battery stays charged and the vehicle’s electrical systems are powered. We manufacture alternators with advanced materials and precision engineering, ensuring that they are capable of generating enough power for the vehicle's electrical needs, whether it’s for basic functions or more power-hungry systems like air conditioning or infotainment. Sensors play an essential role in modern vehicles, enabling them to monitor various parameters such as speed, temperature, and fuel levels. At Jiangsu Juncheng, we specialize in producing sensors that are highly accurate and reliable, ensuring that the vehicle’s control systems can make real-time adjustments to optimize performance and efficiency.