Pinzhihao Precision provides CNC milling services for automotive parts, including gear housings, engine brackets, throttle bodies, camshafts, and transmission components. Our 8,500㎡ facility, 126 CNC machining centers, and 316 skilled professionals deliver high-precision milling solutions for prototypes and mass production with tight tolerances and fast lead times.
3-axis and 4-axis high-precision milling
Materials: aluminum, stainless steel, steel, copper
Typical parts: gear housings, brackets, camshafts, transmission housings
Small-batch and large-batch production
3D CMM, optical scanners, profilometers
Strict tolerance and surface finish control
ISO-compliant inspection and customer-specific standards
| Part Name | Material | Dimensions (mm) | Batch Size | Tolerance (mm) |
|---|---|---|---|---|
| Gear Housing | Aluminum | 50×50×30 | 10–1000 | ±0.02 |
| Engine Bracket | Stainless Steel | 120×80×40 | 5–500 | ±0.03 |
| Camshaft | Steel | Ø30×150 | 5–200 | ±0.01 |
Quick iteration from CAD to functional prototypes
Supports single-piece prototypes and small-batch pre-production
Ideal for design validation before full-scale production
Custom machining solutions
Batch-based cost optimization
Logistics and delivery planning
Post-processing: anodizing, coating, heat treatment
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