Maozhong Precision specializes in OEM/ODM manufacturing of precision metal automotive parts using advanced CNC machining technology to meet stringent automotive industry standards. Our capabilities cover the following key components:
Cylinder Blocks & Heads: High-strength aluminum/iron materials with precision machining for optimal sealing and heat dissipation
Pistons & Connecting Rods: High-accuracy turning/grinding to reduce friction and extend engine life
Camshafts & Crankshafts: Dynamic balancing tested for high-speed stability
Gearbox Gears: 5-axis CNC machining, tooth profile accuracy up to DIN Class 6
Drive Shafts & Universal Joints: High-strength materials (40Cr/20CrMnTi) with heat treatment for enhanced wear resistance
Differential Housings: Complex structures machined in one setup to minimize assembly errors
Brake Calipers & Rotors: CNC machined from high-rigidity cast iron/aluminum for reliable braking
Control Arms & Steering Knuckles: Forging + CNC finishing for impact resistance
Shock Absorber Parts: Precision turning ensures sealing and durability
Tailored designs + batch production with 3D drawing optimization
Specialized solutions for EV battery brackets/motor housings
We operate Japanese STAR CNC lathes and German/Swiss-made CNC centers:
STAR SR-20J/38J Series: Rigid slant-bed design for high-precision turning-milling
DMG MORI 5-Axis Machines: ±0.005mm positioning accuracy for complex contours
Tornos Multi-Spindle Lathes: High-efficiency production for small precision parts
Full-process inspection with automotive-grade testing:
Zeiss CONTURA G2 CMM: ±1.5μm accuracy with 3D scanning
Mitutoyo SJ-410 Surface Tester: Measures surface finish (Ra ≤0.4μm)
Olympus XRF Spectrometer: Material composition verification
Rockwell/Vickers Hardness Testers: Ensures heat treatment compliance
Prototyping: 10-100pcs samples in 3-5 days
Mass Production: 500,000+ monthly capacity with reliable lead times
End-to-End Supply Chain: Material sourcing to global logistics
Established in 2014, we deliver precision automotive metal components to global Tier 1 suppliers and OEMs.
If you are interested in this exceptional product, please feel free to contact us through the message box on the left side or the contact information provided below. We are eager to collaborate with you for a brighter future!
