Our Casting Process

· Fujitsu medium-frequency induction melting furnace,advanced heating technology ,high-efficiency, energy-saving & even heating

· Precise control over melting temperature and holding time guarantee high-quality castings  

· Stable operation and intelligent temperature control improve casting density and mechanical performance

Our Machining Center

· Fully equipped with high-precision CNC lathes, horizontal machining centers, CMMs and contour measuring devices

· Precision machining for hydraulic valve bodies, pump housings, cylinder barrels & valve manifolds

· Flexible small-batch, multi-item production to meet strict standards for consistency & reliability

Our Phosphating Process

· Fully automatic immersion phosphating: manganese & zinc phosphate options

· Uniform, dense, thickness-adjustable film for superior corrosion resistance & paint adhesion

· Intelligent temperature control + online film thickness monitoring for consistent batch quality

· SPC management for temperature, time and acid ratio; 100% auto data logging & real-time fault alerts

Quality Assurance

Quality stands as time’s silent judge of craftsmanship. We rigorously control every production step not merely to meet specs, but out of respect for material properties.

· premium testing instruments: CMM, profilometer, C/S analyzer, UT detector, endoscope

· Multi-dimensional evaluation: material composition, metallurgy, mechanics & dimensional precision

· Full closed-loop quality system: Design Input → Process Validation → In-process Check → Final Inspection

· Cycle mechanism: Test-Analyze-Feedback-Optimize, full life cycle quality control

· Sustained process improvement for consistent precision & reliable products

Our Casting Process
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Our Machining Center
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Our Phosphating Process
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Quality Assurance
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SERVICE & QUALITY

DONGFANG HYDRAULIC‌

CASTING THE WORLD BETTER!

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