Casting and Machining of Machine Tool Components

Dandong Pengxin is a leading manufacturer of high-precision cast and machined components for machine tools, with 18 years of expertise in delivering reliable, performance-driven solutions to global OEMs.We are the largest supplier of castings and machined parts for HAAS machine tools in China.

Established: Since 1958 Year

Facility: 20,000 square meters production area, more than 300+skilled workers.

Casting: Specialized in gray iron (HT250/300), ductile iron (QT400/500), steel castings, and aluminum alloys.

Machining: Full-spectrum CNC turning, milling, grinding, boring, and custom processes.

Service Model: End-to-end production from raw material to finished parts, supporting prototype to bulk orders.

✔ One-stop solution for high-tolerance machine tool components.

✔ Trusted by HAAS AUTOMATION INC for mission-critical parts.

Competitive Advantages

(1) Advanced Manufacturing & Technology

Casting:

Resin sand/Sand Casting for complex geometries; 100% material inspection via spectrometer.

X-ray/ultrasonic testing to eliminate internal defects.

Machining:

State-of-the-art CNC centers (Mazak, DMG Mori), precision grinders, and CMMs.

Tolerance: Up to IT5; Surface finish Ra ≤ 0.8 μm for critical features like guideways.

✓ Annual capacity: 800,000 tons of castings / 500,000+machined parts.

✓ Defect rate: ≤0.5% (Industry avg. 1.5-2%).

(2) Rigorous Quality Assurance

Certifications: ISO 9001, IATF 16949 .

Testing: In-process checks with CMMs, gear testers , and dynamic balancing for rotors.

✔ Quality embedded in every step – from molten metal to final inspection.

✔ Proven durability in heavy-load and high-speed applications.

4. Why Partner With Us?

Speed: Integrated casting + machining reduces lead times , standard delivery in 20 days.

Cost Efficiency: Optimized processes cut client costs by 15-20% vs. competitors.

Engineering Support: DFM (Design for Manufacturing) advice for weight reduction or material substitution.

"We don’t just supply parts – we power your machines’ precision and longevity."