Custom Castings Manufacturer — Sand, Investment, Die Casting
Compare five casting processes to find the approach that fits your geometry, volume and budget. Machining, heat treatment and finished-part delivery requirements are confirmed against your drawing and quotation.
Capability at a glance
| Processes | Sand, investment (lost wax), die casting, lost foam, centrifugal |
| Materials | Grey iron, ductile iron, carbon steel, stainless, aluminium, bronze |
| Part weight | Confirmed against the drawing |
| Machining | CNC finishing scope agreed for the project |
| Testing | X-ray, UT, MT, pressure test, spectrometry |
| Monthly capacity | Agreed in the quotation |
Sub-categories
- Sand Casting Parts
- Investment Casting Parts (Lost Wax)
- Die Casting Parts
- Lost Foam Casting Parts
- Centrifugal Casting Parts
- Machined & Finished Castings
What we make in this category
Sand Casting Parts
砂型铸件The workhorse process for medium to large parts in iron and steel, with low tooling cost and wide weight range.
Typical parts- Machine bases
- Pump housings
- Valve bodies
- Counterweights
Investment Casting Parts (Lost Wax)
熔模精密铸件Near-net-shape, fine surface finish and tight tolerances — the right choice when machining cost would otherwise dominate.
Typical parts- Impellers
- Brackets
- Food machinery parts
- Valve components
Die Casting Parts
压铸件（铝 / 锌 / 镁）High-volume aluminium, zinc and magnesium parts with excellent dimensional repeatability and thin-wall capability.
Typical parts- Housings
- Covers
- Heat sinks
- Brackets
Lost Foam Casting Parts
消失模铸件Complex internal passages and shapes without cores or parting lines, giving design freedom sand casting cannot offer.
Typical parts- Complex manifolds
- Hollow structures
- Large thin-wall parts
Centrifugal Casting Parts
离心铸件Dense cylindrical parts for bushings, sleeves and liners, with defect acceptance criteria agreed for the application.
Typical parts- Bushings
- Sleeves
- Cylinder liners
- Rolls
Machined & Finished Castings
成品交付铸件（含加工 / 热处理）One purchase order, one responsibility: casting, heat treatment, machining, surface treatment and inspection — delivered ready to assemble.
Typical parts- Finished housings
- Machined valve bodies
- Assembled units
Our process for castings
- Pattern / toolingPattern requirements agreed before tooling
- MeltingSpectrometer-controlled chemistry
- PouringProcess-specific moulding line
- Heat treatmentAnnealing, normalising, Q&T
- Machining & testingCNC finishing, X-ray / UT / pressure test
Materials we work with
| Material | Common grades | Notes |
|---|---|---|
| Grey iron | HT200 / HT250 / HT300 | Machine bases, housings |
| Ductile iron | QT450-10 / QT500-7 / GGG40-50 | Impact-resistant parts |
| Carbon steel | ZG230-450 / ZG270-500 | Structural castings |
| Stainless steel | 304, 316L, 430 | Corrosion & food grade |
| Aluminium | A356, ADC12, 6061 | Lightweight die & sand castings |
| Bronze / brass | CuSn8, C83600 | Bearings, wear parts |
GB ↔ DIN ↔ AISI ↔ JIS grade equivalents:download the comparison table.
Surface treatment & heat treatment
Industries served
Inspection for this process
- Spectrometer analysis per melt
- X-ray / UT on critical sections
- MT / PT surface crack detection
- Pressure & leak testing
- Mechanical property test bars
- Dimensional CMM report
Every shipment can be inspected by your own engineer or bySGS / BV / TÜV / Intertek before release. We welcome it.
Lead time & MOQ
| Tooling / pattern | Agreed in the quotation |
| Samples | Agreed in the quotation |
| Mass production | Schedule agreed in the quotation |
| Machined & finished | Schedule agreed in the quotation |
Questions buyers ask about castings
How do you prevent batch-to-batch inconsistency?
Do you accept casting defects found at our factory?
Can you machine the castings as well?
Which casting process should I choose?
Ready to get a quote?
Send us your drawing, quantity, material and target lead time. The quotation will confirm the agreed specification, inspection requirements, price and delivery schedule for your project.