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Help CenterOEM Metal Components — Aluminum / Zinc Die Casting & CNC Machining Services From China | Drawing-to-Delivery Solutions
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OEM Metal Components — Aluminum / Zinc Die Casting & CNC Machining Services from China | Drawing-to-Delivery Solutions
Wuxi Hengzhihui provides engineered OEM metal component solutions including aluminum die casting (up to 800T), zinc die casting, and CNC machining services. We support global industrial customers across automotive, construction machinery, industrial equipment, and energy industries. Our services cover the complete manufacturing cycle — from drawing review and tooling development to production, quality inspection, and export delivery. Materials include ADC12, A380, AlSi alloys, and various engineering alloys. Full inspection documentation and EN 10204 Type 3.1 certification supported.
What We Do — Beyond Steel Tubes
Hengzhihui is more than a tube supplier. Through our experienced manufacturing network in China, we help customers develop, manufacture, and manage industrial metal components with reliable quality and competitive cost.
Our Engineered Metal Component Capabilities:
🏗️ Aluminum Die Casting — Lightweight, high-strength, up to 800 tons
🔩 Zinc Die Casting — Precision, complex geometries, excellent surface finish
⚙️ CNC Machining — Precision milling, turning, drilling, and finishing
📐 OEM Components — Custom manufacturing according to drawings and samples
Why work with us for components:
✅ Single partner for multiple manufacturing technologies
✅ Reduce supplier search time and communication cost
✅ Quality risk management through experienced sourcing
✅ Full export documentation and logistics coordination
Key Manufacturing Capabilities
| Service | Capability | Materials | Applications |
|---|---|---|---|
| Aluminum Die Casting | Up to 800 Tons clamping force; Max part weight ≤10kg | ADC12, A380, AlSi alloys (A356, A413, etc.) | Automotive housings, structural brackets, industrial covers, heat dissipation parts |
| Zinc Die Casting | Precision components; Complex geometries; Thin walls | Zamak 2, 3, 5, 7 | Small precision parts, automotive interiors, hardware, industrial assemblies |
| CNC Machining | Milling, Turning, Drilling, Tapping; Prototype to mass production | Aluminum, Steel, Stainless steel, Brass, Engineering alloys | Mechanical parts, automation equipment, industrial components |
Aluminum Die Casting — Lightweight Industrial Components
| Parameter | Capability |
|---|---|
| Maximum Machine Capacity | Up to 800 Tons |
| Maximum Part Weight | ≤ 10 kg |
| Typical Materials | ADC12 (Japanese standard), A380 (ASTM), AlSi alloys (A356, A413, etc.) |
| Surface Finish Options | As-cast, Shot blasting, Polishing, Powder coating, Anodizing, Painting |
| Secondary Operations | CNC machining, Tapping, Drilling, Deburring |
| Applications | Automotive engine housings, transmission parts, structural brackets, industrial equipment covers, LED housings, heat sinks |
Advantages of Aluminum Die Casting:
✓ Lightweight design with excellent strength-to-weight ratio
✓ High production efficiency for large-volume projects
✓ Good dimensional accuracy and stability
✓ Excellent corrosion resistance
✓ Good thermal and electrical conductivity
Zinc Die Casting — Precision Complex Components
| Parameter | Capability |
|---|---|
| Part Complexity | Complex geometries, thin walls, intricate details |
| Typical Materials | Zamak 2, Zamak 3, Zamak 5, Zamak 7 |
| Surface Finish Options | As-cast, Polishing, Plating, Coating |
| Secondary Operations | CNC machining, Threading, Surface treatment |
| Applications | Automotive interior components, electronic housings, locks, handles, hardware, industrial assemblies |
Advantages of Zinc Die Casting:
✓ Excellent dimensional accuracy — near net shape
✓ Outstanding surface finish
✓ High production efficiency for complex designs
✓ Good corrosion resistance
✓ Strong and durable with impact resistance
CNC Machining — Precision Manufacturing
| Parameter | Capability |
|---|---|
| Machining Services | CNC Milling, CNC Turning, Drilling, Tapping, Boring, Surface finishing |
| Materials | Aluminum alloys, Carbon steel, Stainless steel, Brass, Copper, Engineering plastics |
| Part Complexity | Simple to complex geometries |
| Batch Size | Prototype (single units) to mass production |
| Tolerances | Standard to high precision (±0.01mm available) |
| Applications | Mechanical parts, Automation components, Industrial equipment parts, Precision assemblies |
OEM Component Process — From Drawing to Delivery
| Step | Description | What We Deliver |
|---|---|---|
| 1. Engineering Review | Customer drawing/sample evaluation — function, material, tolerance, production volume assessment | Feasibility analysis, technical proposal |
| 2. Tooling Development | Design and manufacture dies, fixtures, gauges | Production tooling, sampling report |
| 3. Material Selection | Material sourcing verification, chemical composition confirmation | Material certificates, test reports |
| 4. Trial Production | Small batch or first article production, customer approval | First Article Inspection (FAI) report |
| 5. Production | Mass production with process monitoring and quality control | Stable production, consistent quality |
| 6. Quality Inspection | Dimensional inspection, appearance inspection, functional testing | Inspection reports, records |
| 7. Export Delivery | Packaging, documentation, customs clearance, shipment | Commercial invoice, packing list, shipping documents |
Quality Control — Every Step Monitored
| Inspection Stage | Method | Purpose |
|---|---|---|
| Incoming Material Inspection | Spectrometer analysis, material certificate verification | Confirm material grade, chemical composition, heat number |
| In-Process Inspection | Dimensional inspection, visual inspection, process parameter monitoring | Ensure process control and early defect detection |
| Final Inspection | Full dimensional inspection, appearance, functional testing | Verify all specifications met before shipment |
| Documentation | Inspection reports, material certificates, dimensional reports | Full traceability and quality records |
Quality documentation available:
✓ Material Certificate / Mill Test Certificate
✓ EN 10204 Type 3.1 Certificate (upon request)
✓ Dimensional Inspection Report
✓ First Article Inspection Report (FAI)
✓ Process Control Records
Surface Treatment Options
| Treatment | Description | Typical Application |
|---|---|---|
| As-cast | Original cast surface, no additional treatment | Internal or non-visible parts |
| Shot Blasting / Sandblasting | Clean surface, uniform matte finish | Industrial components requiring clean surface |
| Polishing | Smooth, shiny surface | Decorative parts, visible automotive components |
| Powder Coating | Durable colored coating | Outdoor equipment, visible housings |
| Anodizing | Hard, corrosion-resistant oxide layer | Aluminum parts requiring durability and appearance |
| Painting | Custom color painting | Industrial equipment parts |
| Plating | Chrome, zinc, nickel plating | Zinc parts requiring corrosion protection |
Industries Served
| Industry | Components We Supply |
|---|---|
| Automotive Industry | Aluminum die cast housings, structural brackets, transmission parts, zinc interior components |
| Construction Machinery | Hydraulic valve bodies, equipment housings, mechanical components, heavy-duty brackets |
| Industrial Equipment | Machine parts, covers, frames, automation components |
| Energy Industry | Industrial housings, equipment parts, heat dissipation components |
| Electronics | LED housings, heat sinks, electronic enclosures |
Why Choose Hengzhihui for Metal Components?
| Advantage | Description |
|---|---|
| 20+ Years International OEM Experience | Our team understands international quality expectations, communication standards, and export requirements |
| China Manufacturing Resource Integration | We connect customers with qualified, pre-vetted factories — not just one factory, but the right factory for your project |
| One Partner, Multiple Solutions | Aluminum die casting, zinc die casting, CNC machining, tube supply — all from one point of contact |
| Professional Communication | Technical queries answered promptly with clear, actionable solutions |
| Quality Risk Management | Full inspection and documentation to minimize quality risk |
| Reduce Complexity | Less supplier search time, fewer communication channels, lower coordination cost |
The Hengzhihui Difference
| Traditional Supplier Model | Hengzhihui Solution Model |
|---|---|
| Customer → Factory → Shipment | Customer → Technical Communication → Qualified Manufacturing Partner → Quality Control → Export Management → Customer |
| Single factory limitation | Best-fit manufacturing partner selection |
| Communication gap with factory | Professional technical bridge |
| Limited quality control | Full inspection and documentation |
| Export coordination challenges | Professional export logistics support |
Technical Data Table — Quick Reference
| Service | Capability | Max Part Weight | Typical Materials | Industries |
|---|---|---|---|---|
| Aluminum Die Casting | Up to 800T | ≤10 kg | ADC12, A380, A356, A413 | Automotive, Industrial |
| Zinc Die Casting | Precision Complex Parts | — | Zamak 2, 3, 5, 7 | Automotive, Hardware |
| CNC Machining | Milling, Turning, Drilling | — | Aluminum, Steel, Brass, Alloys | Machinery, Automation |
| OEM Components | Drawing/Sample Based | Project dependent | Various engineering materials | Multiple Industries |
FAQ
| Question | Answer |
|---|---|
| Does Hengzhihui manufacture metal components? | Yes. We support aluminum die casting, zinc die casting, CNC machining, and OEM component manufacturing through our qualified manufacturing network in China. |
| What is your maximum aluminum die casting capacity? | Our manufacturing network supports aluminum die casting up to 800 tons, with maximum part weight up to 10kg. |
| What materials do you support for die casting? | For aluminum: ADC12, A380, AlSi alloys (A356, A413). For zinc: Zamak 2, 3, 5, 7. |
| Can you produce according to customer drawings? | Yes. We support drawing-based OEM projects with full technical review and engineering support. |
| Do you support small quantity projects? | Yes. We support prototype development, small batch production, and mass production requirements. |
| What industries do you serve? | Automotive, construction machinery, industrial equipment, energy, and electronics industries. |
| What documentation do you provide? | Inspection reports, material certificates, dimensional reports, and EN 10204 Type 3.1 upon request. |
| How is quality controlled? | Three-stage inspection: incoming material → in-process → final inspection, with full documentation. |
Send Inquiry
To receive a tailored quotation for your OEM metal component project, please provide:
Product type and manufacturing method (Aluminum Die Casting / Zinc Die Casting / CNC Machining)
Material specification (e.g., ADC12, Zamak 3, Aluminum 6061, etc.)
Part weight and dimensions
Estimated annual quantity (prototype / small batch / mass production)
Drawing or sample availability
Surface treatment and any special requirements
Target unit price or budget reference (if available)
📩 Click "Send Inquiry" or contact us directly with your drawing and specifications — we will respond within 24 hours.
WUXI HENGZHIHUI METAL MATERIALS CO., LTD
Email: yjhtrade@gmail.com
Phone/Whatsapp:+86 15106174543
WWW.WUXIHENGZHIHUI.COM
WWW.HZHMETALS.COM
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