OEM Die Casting Parts Manufacturer | KastMfg

KastMfg manufactures custom OEM die casting parts from customer drawings and 3D models. We support overseas buyers that need a production partner for high-pressure die casting, CNC machining, surface finishing, inspection, and export packaging under one controlled workflow.

Our facility in Nanjing, China produces aluminum, zinc, and magnesium die cast components for industrial equipment, automotive, electronics, LED lighting, pumps, valves, power tools, and hardware applications.

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What We Manufacture

Part Type	Typical Requirements
Housings and covers	Dimensional stability, sealing faces, threaded bosses
Brackets and mounts	Strength, flatness, hole position accuracy
Heat sink housings	Thermal performance, fin quality, mounting face flatness
Pump and valve components	Pressure tightness, CNC ports, leak testing
Lock and hardware parts	Cosmetic finish, repeatable small features, zinc alloy options
Motor and gearbox parts	Bearing bores, concentricity, machined datum control

For category examples, see our product families.

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Production Scope

KastMfg can manage the complete part lifecycle:

1. Drawing and DFM review
2. Alloy and process recommendation
3. Die casting mold design
4. Tooling fabrication and trial
5. High-pressure die casting production
6. Trimming, deburring, and shot blasting
7. CNC machining and tapping
8. Surface finishing and assembly support
9. First article inspection and batch inspection
10. Export packaging and shipment documentation

This is useful for OEM buyers because a single supplier owns dimensional results from raw casting to finished component.

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Materials

Material	Common Alloys	Best Fit
Aluminum	A380, A360, A413, ADC12	Housings, brackets, heat sinks, structural parts
Zinc	Zamak 3, Zamak 5, ZA-8	Hardware, lock parts, small precision components
Magnesium	AZ91D, AM60B	Lightweight housings and mobility components

If you are still selecting material, start with aluminum die casting, zinc die casting, or magnesium die casting.

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RFQ Requirements

For a reliable OEM die casting quote, send:

• 2D drawing with tolerances
• 3D model in STEP, IGES, or equivalent format
• Target material or application requirements
• Annual volume and batch quantity
• Surface finish and color requirements
• Critical dimensions and inspection expectations
• Packaging and shipping requirements

KastMfg reviews manufacturability before quoting tooling and part price.

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OEM die casting parts inquiry: yaoqingpu1983@gmail.com | +86 138 1403 4409 | No.6, Rungu Road, Nanjing, China