Custom Hydraulic System Solutions
Supply custom hydraulic system parts: pumps, valves and seal kits for construction, agriculture and rotary drilling machinery.
No Leaks, Less Downtime !
Reliable hydraulic solutions including high-pressure pumps, leak-proof valves and durable seal kits reduce leaks and machine downtime.
one-stop hydraulic components & custom solutions
20+ years of expertise in hydraulic valves, pumps, motors and accessories. OEM-compatible components and tailored support for industrial and repair markets worldwide.
ISO 9001 Quality System
Standardized control from production to inspection.
ISO 9001 Quality System
Documents available for applicable products and components.
Multiple invention patents
30 Self-developed Patents, Independent Core Technology
Focused Hydraulic Power, Powering Industrial Future
SDH-HP Hydraulics
Founded in 1999, Shanghai Dazhong Hydraulic boasts 27 years of hydraulic expertise. Originating from hydraulic gear pump manufacturing, we are now an integrated producer of precision castings, hydraulic components and full hydraulic systems.
What products do we offer?
Hydraulic Product Categories

External Gear Pump
Durable Reliable Hydraulic Gear Pumps for Construction & Machinery Hydraulic Systems in Diverse Heavy Working Scenarios

Ineter Gear pump
Low-noise, energy-efficient precision gear pumps with superior performance, custom-built for injection molders, benders and servo motors.

Hydraulic Motor
Low-speed high-torque hydraulic orbit motors built for heavy-duty construction, excavators and industrial machinery.

Seal Repair Kit
Heavy-Duty Sealing Repair Kits Specially Tailored for Harsh Working Concrete Pumps, Preventing Costly Fluid Leaks & Prolonging Overall Pump Lifespan.
Our service industries
Hydraulic Solutions for Multiple Industries
Construction Machinery
High-reliability hydraulic power systems for excavators, loaders, cranes and other heavy construction machinery. Meets harsh operating conditions for stable and efficient erformance.
Agricultural Machinery
Hydraulic system solutions for tractors, harvesters, seeders and other agricultural machinery. Precise power output control for efficient modern farming.
Industrial Equipment
Precision hydraulic control for injection molding, stamping presses, and automation lines. Meets high-precision, high-frequency production needs.
Marine & Energy
Salt-spray resistant, anti-corrosion hydraulic solutions for ship steering, offshore wind pitch systems. Long-term reliability in marine environments.
Mining Machinery
Heavy-duty hydraulic pumps, motors and control valves for mining rigs, underground loaders and mining haul trucks. Resists heavy impact, dust and extreme loads to maintain stable, high-efficiency performance in harsh underground mining sites.
Custom Hydraulic
Full-process custom hydraulic solutions from design to prototype testing, tailored to meet unique application requirements.
Hydraulic System Components for Construction, Agriculture, Aerospace, Energy, Medical & Industrial Machinery
Custom OEM & ODM with Scenario-Based Hydraulic Solutions
ISO9001 & CE Certified High-Tech Manufacturer with Stable Mass Production
Long-term cooperation with Chinese upstream & downstream suppliers, offering consolidated one-stop supply packages.
What can we do?
Why Partner with SDH-PH Hydraulics?
▶ Trusted Quality Assurance
Eliminate quality risks: All hydraulic parts pass precision dimension & pressure tests pre-shipment. ISO 9001, CE and CCS certifications guarantee consistent, compliant performance for your equipment.
▶ Flexible Manufacturing SolutionsFlexible Manufacturing Solutions
No order size limits: We support samples, repeat restocks and bulk projects with low MOQs. Stable production capacity avoids delayed deliveries for your project timeline.
▶ Customized Application Technical Support
Solve matching confusion: Our team selects matching hydraulic pumps, valves, motors and accessories based on your working conditions to perfectly fit your machinery.
▶ Fast Response & Quotation
Cut waiting time for procurement: Global inquiries get instant technical feedback. We quickly confirm compatibility, specs and offer transparent quotations to speed up your purchasing.

















