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High Precision CNC Machining Parts

Custom Aluminum, Brass, Steel & Metal Components for Automotive, Aerospace, Medical, and Industrial Applications. ISO 9001 Certified. Low MOQ. Rapid Prototyping.

Trusted Precision Manufacturing Since 2005

YD-Precision (Yuandundongli) has evolved into a leading manufacturer of high-precision CNC machining parts, specializing in custom components for hydraulic systems, construction machinery, automotive, aerospace, medical devices, and renewable energy sectors.

With over 13 years of industry experience, a 35,000 m² state-of-the-art facility, and a skilled team of more than 200 employees—including 28 dedicated engineers—we deliver exceptional quality and reliability. Our ISO 9001 and TS16949 certifications reflect our commitment to international standards.

35,000 m²
Production Area
200+
Employees
13+
Years Experience
1pc
Low MOQ
CNC Machining Workshop

Our Capabilities

From die casting to precision CNC machining, we offer end-to-end manufacturing solutions with advanced technology and strict quality control.

Precision CNC Machining

CNC Milling, Turning, Grinding, and Multi-Axis Machining with tolerances down to ±0.01mm. Materials: SS303, SS304, SS316, AL6061, AL7075, 4140, 4130, and more.

Die & Metal Casting

Aluminum, Zinc, Iron, Copper, and Steel Casting. Low-volume and high-volume production. Pressure die casting with excellent surface finish and dimensional accuracy.

Quality Assurance

Advanced metrology: 3D CMM, Projector, Vernier Caliper, Height Gauge. ISO 9001 & TS16949 certified. Full traceability and inspection reports available.

Featured Products

Explore our range of high-precision machined and cast components trusted by global leaders in automotive, aerospace, medical, and industrial sectors.

Precision Steel CNC Part

Precision Steel CNC Machined Part

Stainless Steel: SS303, SS304, SS316

  • Applications: Auto, Medical, Aerospace
  • Tolerance: ±0.01mm
  • Processes: CNC Milling, Turning
Cast Iron Electromotor Part

OEM Cast Iron Electromotor Part

Material: Cast Iron, Precision Machined

  • Low MOQ: 1pc rapid prototype
  • Applications: Hydraulic, Construction
  • ISO 9001 Certified
SS304 Press Plate

SS304 Press Plate

For Pharmaceutical Machinery

  • Size: 110x90x10mm
  • Process: CNC + Surface Grinding
  • Flatness: 0.01mm
Aluminum Casting

Custom Aluminum Casting

AL6061, AL7075, AL5052

  • Processes: CNC, Milling, Turning
  • Applications: Automotive, Aerospace
  • Low Volume & Mass Production
Oil Pump Shell

Oil Pump Shell

Material: QT450, A356

  • Processes: Lathe, Machining Center
  • Accuracy: ±0.01mm
  • Vertical & Horizontal Machining
Oilfield Precision Part

Oilfield Precision Part

Material: 4140, 4130, Gray Iron 300

  • Accuracy: ±0.02mm
  • Processes: Lathe, Machining Center
  • Custom Sizes & Specs
Medical Component

Custom Medical Component

Precision Machined for Healthcare

  • High Cleanliness & Tolerance
  • Stainless Steel & Titanium Options
  • ISO 13485 Compliant Processes
CNC Turning Part

Custom CNC Turning Part

OEM Machining, Auto Parts

  • Materials: Steel, Brass, Aluminum
  • Applications: Automotive, Electronics
  • Fast Turnaround, Low MOQ

Trusted by Global Leaders

We proudly serve world-renowned brands across industries.

BOSCH
VOLVO
TOSHIBA
Kawasaki
NACHI
CAT-Mitsubishi

Get in Touch

Ready to start your next precision manufacturing project? Contact us today for a quote or technical consultation.

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