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Injection Molding in China

Find the best injection molding companies in China. Submit a request for quotations for your parts. Get multiple injection quotations from verified suppliers within 24 hours. No minimum order quantity. Tooling and production included. A variety of injection molding materials and surface finishing available.

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Find the Best Chinese Injection Molding Companies

Haizol connects you to vetted injection molding suppliers in China. Whether you need cost-effective production or precision molding with tight tolerances. Find the right partner for prototyping, overmolding, in-mold decoration, or CNC machining.

Simply upload your CAD files, add quantity, delivery date, and specifications. Our engineers review manufacturability. Once your request is approved, our AI will pair you with capable suppliers offering a range of materials and services. Within 24 hours, you’ll get multiple quotes.

Find plastic injection molding companies in China

Overview of Injection Molding Service in China

Supplier Network

We have over 800,000 factories in our database. Options span low-volume prototyping to high-volume production

Materials Available

ABS, polycarbonate (PC), polypropylene (PP), polyethylene (PE), nylon (PA), acetal (POM), PBT, PVC, PMMA (acrylic), plus high-performance resins like PEEK, Ultem (PEI), and PPSU. Filled variants (e.g., glass-filled nylon).

Mold Types

Rapid Aluminum Molds. Hardened Steel Tooling. Multi-cavity and family mold options.

Tolerance and Surface Finishes

Tolerances: ±0.1 mm, with tighter tolerances of ±0.025 mm possible depending on material and design. Finishes: SPI A1 (high gloss), SPI B2 (semi-gloss), SPI C3 (matte), textured (VDI, Mold-Tech), custom coatings.

Lead Times

Quotes: within 24 hours. Tooling: 30-45 days for production molds. Mass production: 6-10 days post-approval.

Customisation and Secondary Processes

Techniques: Overmolding, insert molding, multi-shot molding, gas-assisted injection molding, micro molding.

Extras: Painting, laser engraving, basic assembly, threaded inserts (heat staking/welding).

Plastic Injection Molding in China

China offers a competitive edge in plastic injection molding, balancing precision, cost, and capacity. Manufacturers in China produce complex parts with tolerance as tight as tolerance of +/- 0.025mm, and can handle virtually all types of injection materials.

Costs here are much lower than in Western markets, often 2-3 times less, driven by efficient production and lower overhead, not cutting corners. The speed is often unbeatable, with mold production typically taking 4-8 weeks and parts rolling out days after tooling is complete.

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#1 Platform for Finding Injection Molding Services in China

Haizol links you to a trusted network of over 800,000 Asian factories. From budget-friendly production to precision molding with strict tolerances. Our AI matches your project to skilled suppliers offering prototyping, overmolding, and more.

Upload your specifications, quantity, delivery, and details and get multiple quotes from vetted China injection molding companies within 24 hours, free of charge and with no strings attached. Once selected, monitor progress and communicate via our platform for full control.

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800,000+

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How Our Marketplace Works

Submit your request for quotation, and we'll match it with verified factories best suited to your part requirements and production capabilities.

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Communicate and trackproduction online

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Why Us for Injection Molding Service China

Get Quotes Faster

Stop chasing quotations for custom injection molding. Submit your request, and our AI matches it to suitable suppliers based on materials, tolerances, and volume needs, from prototypes to high-volume runs. Get tailored pricing and timelines in 24 hours.

Flexible Solutions

Need unique materials, complex geometries, or low-volume batches? Haizol’s AI matches your project to capable suppliers from a pool of 800,000+ across Asia. These factories handle prototyping, overmolding, CNC finishing, and more.

Single Platform Oversight

Manage sourcing, production and quality control in one place. Haizol enables you to submit RFQs, coordinate with suppliers and track production progress in real time. Saving you time and simplifying technical workflows.

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Plastic Injection Molding Services FAQs

The injection molding prices for China injection molding company depend on part size, tolerances, material type, and order volume. Tooling drives much of the expense. Opting for affordable materials like ABS or simpler designs can lower costs. Submit an RFQ and compare quotes from vetted suppliers at no extra cost.

Lead times depend on your part’s complexity and batch size. Tooling takes 30-45 days, though simpler moulds are often faster. Once approved, production can begin within 6-10 days.

Additional Links and Resources

Why Injection Molding Still Leads in Scalable Part Production

How do manufacturers produce thousands of identical parts with speed and precision? Injection molding is the answer, an essential method that turns molten material into complex, high-quality components.

Behind the Build: The Journey Towards Micron-Level Manufacturing

In our latest series "Behind the Build," we shine a light on China's custom manufacturing landscape. The invisible engine behind components you encounter every day.