Get Multiple Factory Quotes for Your Parts in 24 Hours
Connect with 800,000+ listed factories in Asia. Receive multiple quotes for your parts and manage production with speed and confidence.

Die casting delivers lightweight and durable parts at scale. And there’s no better country at die casting at scale than China.
There are thousands of die casting suppliers in China. The challenge is not finding them. It’s knowing which one is right for you. Haizol gives you direct access to verified factories, so you can compare capabilities and quotes in one place.
On Haizol, factory profiles highlight what you need to decide fast: certifications, capacity, materials, and delivery timelines. Our network of metal casting companies ranges from specialised aluminium die casting companies to top die casting factories serving high-volume demand. Many are also certified to ISO 9001, ISO 13485, ISO 3834, and IATF 16949.
Submit your part design once and you’ll receive multiple quotes in less than 24 hours. Each quote lays out cost and delivery details side by side. So you can compare quickly and choose the right factory.
Related categories: Investment Casting Company, Sand Casting Suppliers, Permanent Mold Casting Companies, Centrifugal Casting Companies, Custom Casting Companies.
Aluminum die casting suppliers in China generally quote up to 70% lower than local companies. Even with freight and tariffs. Sourcing from China usually remains more affordable compared to domestic production across all businesses.
Remember to always be clear about what the quote includes. Ask about tooling, post-processing, and shipping especially whether they’re separate. Volume-based tiered pricing is common in die casting. The top die casting companies sometimes operate multiple divisions. But most foundries have core strengths. Reviewing China die casting supplier capabilities and machinery on our platform makes it clear whether one partner can handle your full scope
Cast parts are generally less precise than machined parts. Typical tolerances are around ±0.5% of the dimension (about ±0.010–0.020 in). Among casting processes, die casting and investment casting deliver the tightest and most consistent accuracy.
Set expectations upfront in the contract. Add clauses for inspections, test reports, or sample approvals. Our verified aluminium die casting suppliers display their QC systems and certifications in their profiles, making it easier to shortlist reliable partners.
MOQs vary widely. Some plants focus on mass production, others accept prototypes or small runs. You can set your required quantity when submitting your design, and the quotes will reflect it.
Die casting suppliers in China should be compared by alloy, machine tonnage, part size, wall thickness, tolerance, tooling experience, machining, finishing, and inspection method. Reviewing these fields together matters because die casting, tooling, machining, and surface finishing often affect the same final tolerance and appearance requirements.
Die casting injects molten metal into a steel die under pressure, making it suitable for repeatable non-ferrous parts at higher volumes. Sand casting is more flexible for larger parts and lower tooling cost, while investment casting is better for fine detail and complex geometry.
For die casting, the 3D model and annual volume are central because tooling and cycle time drive the economics. Add alloy, tolerance, surface finish, machining allowance, expected tool life, secondary operations, and inspection requirements so Chinese factories can price die build, casting, machining, and finishing.