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| Part Category | Key Functions |
|---|---|
| Multi-way valve / Electromagnetic directional valve | Core control components used to switch hydraulic oil circuits and drive actuators for precise boom swing and elevation control. |
| Balance valve | One-way sequential valve for load retention, preventing drop, and energy saving in boom and leg cylinders. |
| Check valve / Throttle valve | Used for manually or automatically cutting off oil flow, facilitating maintenance or preventing backflow. |
| Other auxiliary valves | Includes electromagnetic valve coils, safety valves, handbrake valves for air conditioning and braking systems. |
| Actuators/Motors | Responsible for switching intake and output paths of concrete; core component of the pumping system. |
| S-shaped valve (S valve) | Achieves material suction and pumping by swinging the oil cylinder; offers high pressure and good sealing. |
| Gate valve | Switches flow channels through plate movement; simple structure commonly used in earlier models. |



We operate a full range of core truck parts with comprehensive categories and wide application scenarios, accurately matching mainstream brands such as FAW Jiefang, Dongfeng, Shaanxi Automobile, Sinotruk, Mercedes-Benz, and MAN. Our products cover engine systems, chassis systems, brake and steering systems, and electrical components.
To ensure quality, we strictly select raw materials and maintain long-term cooperation with qualified manufacturers. Each batch undergoes sampling inspections and performance testing by our professional quality inspection team to ensure a high qualification rate.