ChangJia deeply cultivates the core technology of hydraulic, with high-performance components, intelligent systems and value chain services, to provide global customers with solutions beyond expectations.



Whether it is the power innovation of heavy duty equipment in mines, the energy-saving upgrading of agricultural machinery, or the precise control of intelligent manufacturing production lines, ChangJia always adopts the corporate philosophy of "technology-based and customer-oriented" to transform complex challenges into sustainable competitiveness. Let us join hands to use hydraulic technology as the engine to reshape the efficiency boundary and build the future of hydraulic.

At ChangJia, quality is our top priority. We use many advanced testing equipment like spectrometers, 3D coordinate measuring machines, etc., to rigorously inspect every part and product. and we ensure consistent excellence in all aspects of our manufacturing process. We have our own multiple international certifications, such as IATF 16949 and ISO series.

ChangJia, with its advanced production technologies and remarkable manufacturing capabilities, provides high-quality hydraulic products such as hydraulic motors, hydraulic pumps, and hydraulic valves.

We has the ability of 2D, 3D and CAE analysis to parts and assembly. We can provide complete data of 2D and 3D, and synchronize development with OEM customers.

ChangJia designs specialized hydraulic solutions for municipal sanitation vehicles, including snow-plow trucks, street cleaning machines, and garbage trucks. Our products deliver reliable power transmission and precise control for critical operations like snow removal, road sweeping, and waste compaction. Engineered to withstand harsh urban environments, our hydraulic pumps, valves, and motors enhance operational efficiency, reduce downtime, and support sustainable city maintenance.

Hydraulics is mechanical function that operates through the force of fluid pressure. Mechanical movement is provided by pumped liquid through actuators. (Hydraulic cylinders or motors) In hydraulic systems, energy can be transferred to long distances and they can be efficient if they are well designed/maintained.

ChangJia provides customize professional hydraulic system solutions for agricultural machinery such as tractors, cotton pickers, and harvesters to enhance the mechanization level of agricultural production, meet the power transmission and precise control needs of farming, picking, harvesting, and other processes, and help improve the quality and efficiency of agricultural production.

From initial concept to mass production. Industry standards are just our starting line. For customers in need of hydraulic valves, motors, and pumps, we offer bespoke customization services. Whether it's fine-tuning performance parameters, customizing interfaces, or adapting to unique operating environments, our expert-led customization ensures your hydraulic components are a perfect fit for your specific applications. Elevate your hydraulic systems with our personalized solutions.

ChangJia is dedicated to providing customers with efficient hydraulic technology solutions and products. And deepening high-end hydraulic components' domestic substitution & global layout, ChangJia aims to lead globally in hydraulic transmission innovation, delivering value-beyond-expectation to customers