HENJOY

Sunjoy

Hunan Henjoy Technology Co., Ltd., established in 2012 and headquartered in the Changsha Economic and Technological Development Zone, is a nationally certified high-tech enterprise. Leveraging its core expertise in micron-level precision manufacturing, the company is positioned to serve as a key technology partner to the global construction machinery industry.

Specializing in the development, production, and technical servicing of hydraulic components—including valves, motors, cylinders, and complete system solutions—Henjoy supplies products that support critical applications across aerospace, defense, maritime, construction machinery, rail, metallurgy, and chemical processing. The company holds 20 patents and draws deep industry insight from its technical team, 80% of whom formerly held roles at leading manufacturers such as SANY Group, with an average tenure exceeding 15 years. This accumulated expertise enables sustained innovation and reinforces Henjoy’s technical leadership in advanced hydraulic systems.

Company Profile


19 Years

Production experience

20 +

Patent Certificate

300 +

Serving the world

They chose us


We provide you with reliable one-stop hydraulic solutions

三一重工
中达智能
上海振华
湖南盛势通

Our Advantages


Precision Hydraulic Components · Integrated Manufacturing and Trading · Preferred Supplier of Sany Group

Core Business: In-House R&D · Precision Manufacturing

· Hydraulic valve bodies and hydraulic systems: In-house R&D and production, covering a wide range of hydraulic control requirements for construction machinery
· CNC precision components: Micron-level machining capabilities, capable of manufacturing customized precision components
· Complete hydraulic systems: Providing system R&D and integration services from design to delivery

Product Line: High-End Hydraulic Pumps and Motors

We supply high-performance hydraulic piston pumps and motors that are interchangeable with top-tier international brands such as Rexroth and Kawasaki. These products meet original equipment manufacturer (OEM) standards and fulfill our customers’ comprehensive system integration needs.

Scope of Services

In addition to our core in-house manufactured components and supporting products, the company also provides hydraulic system R&D, custom precision component machining, remanufacturing, and technical support services.

Reliable · Fast · Cost-Effective

Adhering to the philosophy of “High Quality, Fast Service,” the company leverages its in-house R&D capabilities as its core strength and an integrated manufacturing and trading model as its foundation. Our products are widely used in construction machinery, mining machinery, agricultural machinery, marine machinery, and the metallurgical industry, providing global customers with stable, efficient, flexible, and reliable hydraulic solutions.