We Guarantee Your Requirements
Material Certification
Full material test reports (EN 10204 3.1) for every batch
Dimensional Accuracy
CMM inspection reports with ±0.05mm tolerance guarantee
Pressure Testing
100% hydrostatic testing to 1.5x working pressure
Surface Quality
Ra 3.2μm or better finish on machined surfaces
Low MOQ
Flexible minimum order from 10 pieces per design
Fast Sampling
First article inspection samples within 15 working days
Our Casting Process Advantage
| Feature | Coated Sand Casting (Ours) | Water Glass Casting |
|---|---|---|
| Surface Finish | Ra 6.3-12.5μm (smooth) | Ra 25-50μm (rough) |
| Dimensional Tolerance | CT7-CT9 (±0.3-0.5mm) | CT10-CT12 (±0.8-1.5mm) |
| Machining Allowance | 2-3mm per side | 5-8mm per side |
| Internal Defects | <2% rejection rate | 5-10% rejection rate |
| Complex Geometry | Excellent (thin walls to 3mm) | Limited (min 6mm) |
| Cost Efficiency | Lower machining cost | Higher machining cost |
Our Production Capabilities
Melting & Pouring
CMM Inspection
Pressure Testing
CNC Machining
Heat Treatment
Finished Inspection
Export Packing
Factory Overview
Our Work
Complex Multi-Port Valve
Precision-cast valve body with multiple internal passages
Large Pump Housing
Heavy-duty grey iron pump casing for industrial applications
Precision Valve Set
Mirror-polished stainless steel valve components
Thin-Wall Casting
Advanced thin-wall casting technology demonstration
High-Pressure Valve
Forged steel valve body rated for 6000 PSI
Custom Hydraulic Manifold
Complex internal passages for hydraulic systems
Marine-Grade Valve
Corrosion-resistant alloy for marine applications
Large Gate Valve Body
Heavy-duty gate valve for industrial pipelines
Technical Specifications
Materials Available
- • Ductile Iron: GGG40, GGG50, GGG60, GGG70
- • Grey Iron: GG20, GG25, GG30
- • Cast Steel: GS-C25, WCB, CF8, CF8M
- • Special Alloys: High-chrome iron, Ni-resist
Size Range
- • Weight Range: 0.5kg - 500kg per piece
- • Wall Thickness: 3mm - 80mm
- • Max Dimensions: 1500mm x 1000mm x 800mm
- • Tolerance: CT7-CT9 (ISO 8062)
Frequently Asked Questions
What is your minimum order quantity?
Our MOQ is 10 pieces per design. We understand SMEs need flexibility, so we offer low MOQ with competitive pricing.
How long does sampling take?
First article inspection samples are ready within 15 working days after mold approval. Rush service available for urgent projects.
Do you provide material certificates?
Yes, we provide full material test reports (EN 10204 3.1) for every batch, including chemical composition and mechanical properties.
Can you handle complex geometries?
Yes, our coated sand casting process excels at complex shapes with thin walls down to 3mm and tight tolerances.
What quality inspections do you perform?
100% visual inspection, CMM dimensional inspection, hydrostatic pressure testing, and material certification for every order.
Do you offer engineering support?
Yes, our 'Casting Doctor' service helps optimize your design for manufacturability, reducing costs and improving quality.