Skip to contentCustom Metal Casting Services In China
Die Casting | Sand Casting | Investment Casting | Full-Service Manufacturing
- 30+ Years Experience
- Multiple Casting Processes Available
- ISO Quality Control System
- CNC Machining Support
Our Casting Capabilities
At Sunzhou, we provide professional metal casting services for complex and high-volume parts.
From prototype casting to mass production, we deliver cost-effective solutions with consistent quality.
We offer a complete range of casting processes to meet different project requirements.
Tolerance
±0.1–0.5 mm
Lead Time
7–20 Day
Production
Prototype to Mass Production
Casting Processes We Offer
1. Die Casting:
High precision and excellent surface finish, ideal for aluminum and zinc parts
2. Sand Casting:
Cost-effective for large parts and low-volume production
3. Investment Casting (Lost Wax):
High accuracy and complex geometry capability
Common Casting Challenges
Reliable casting solutions for demanding industries
ARE YOU FACING?
- Porosity defects
- Inconsistent dimensions
- High tooling cost
- Poor surface finish
HOW WE SOLVED THEM!
- Optimized mold design
- Strict process control
- Post-machining capability
- Full inspection process
Materials For Casting
Custom alloys available upon request
Aluminum
Lightweight and widely used in automotive and electronics
Zinc
High precision and excellent surface quality
Steel
High strength and durability for industrial applications
Iron
Cost-effective for heavy-duty components
Surface Finishing Options
We offer finishing services to enhance part quality—a one-stop solution from casting to finishing.
Sandblasting
Anodizing
Painted
Polishing
Passivation
Plating
Powder Coating
Casting Parts Gallery
We produce a wide range of casting parts
Mechanical Parts
Stian Steel Parts
Agriculture Mechanical Parts
Drilling Bit Parts
Nail Gun Parts
Pliers Fitting
CNC Machining After Casting
Combining casting and CNC machining is a classic composite manufacturing process that leverages the strengths of both casting and high-precision CNC processing. Its advantages are detailed as follows
1.Forming & Cost Benefits
- Reduced machining allowance
- Capability for complex structures
- Higher material utilization
2. Dimensional Accuracy & Surface Quality
- Guaranteed precision
- Improved surface finish
3. Structural & Mechanical Performance
- Enhanced overall strength
- Optimized local performance
4. Production Efficiency & Mass Production
- Cost-effective for mass production
- Shorter lead time
Quality Control & Inspection
We ensure casting quality through strict processes. Consistent quality from prototype to production
1. Raw material inspection
2. Process monitoring
3. Dimensional inspection
4. Final inspection
Why Choose Our Casting Services
✔ Multiple casting processes available
✔ CNC machining support (one-stop solution)
✔ Cost-effective for mass production
✔ Experienced engineering team
✔ Stable quality control
Mail: emma@sunjoom.com
Phone: 086-15902885175