China Injection Molding Services for Custom Parts
Direct Factory | Established 1978 | Custom Manufacturing | Tooling + Production | Global Delivery
Partner with an experienced China injection molding supplier for custom plastic and rubber parts. From tooling development and production to quality inspection and global delivery, we provide a complete manufacturing solution for overseas customers.
Partner with an experienced China injection molding supplier for custom plastic and rubber parts. From tooling development and production to quality inspection and global delivery, we provide a complete manufacturing solution for overseas customers.
What China Injection Molding Brings to Your Project
China’s injection molding industry offers more than competitive pricing. A mature manufacturing ecosystem gives overseas buyers access to established tooling, material, production, and supporting- process capabilities — helping projects achieve greater flexibility, cost efficiency, and supply chain convenience.
Integrated Tooling & Manufacturing
China has an established mold-making and injection molding supply chain, making it easier to coordinate tooling and production through one manufacturing partner.
What This Means for Your Project:
You can reduce the need to manage separate mold makers and injection molding suppliers, while keeping tooling decisions and production requirements aligned.
Competitive Tooling Investment
China's extensive mold-making industry provides access to a wide range of tooling capabilities and manufacturing resources.
What This Means for Your Project:
Tooling costs can be evaluated together with mold structure, cavity count, expected production volume, and part requirements — helping you choose a tooling solution that fits your budget and production plans.
Flexible Production Volumes
China's injection molding supply chain supports projects across different production stages, from prototypes and pilot runs to low-, medium-, and high-volume production.
What This Means for Your Project:
Broad Material & Manufacturing Resources
China has extensive access to engineering plastics, commodity plastics, rubber, TPE, and other manufacturing materials, together with supporting processes such as CNC machining, finishing, printing, assembly, and packaging.
What This Means for Your Project:
Material selection and additional manufacturing requirements can be coordinated within the same supply chain, reducing the need to source every process separately.
Established Export & Supply Chain Support
China has a mature export manufacturing ecosystem serving customers in North America, Europe, Asia, and other international markets.
What This Means for Your Project:
Experienced suppliers can support international documentation, inspection requirements, export packaging, and shipment coordination, making overseas production easier to manage.
Jiangzhi as Your China Injection Molding Partner
If you are considering injection molding in China, choosing the right manufacturing partner is just as important as finding the right production solution. Jiangzhi combines tooling, engineering, injectionmolding, and quality control to support your project from the initial design review through ongoing production.
Direct Access to the Manufacturing Team
Jiangzhi is a direct manufacturer, not a trading company.
Customers work directly with the engineering and production teams responsible for tooling and manufacturing. Quotations, DFM feedback, technical discussions, production updates, and quality requirements can be communicated directly with the factory.
This helps reduce unnecessary communication layers between the customer and the actual manufacturer.
This helps reduce unnecessary communication layers between the customer and the actual manufacturer.
Manufacturing Experience Since 1978
Established in 1978, Jiangzhi has more than 40 years of experience in tooling and custom part manufacturing.
The company supports the development and production of custom plastic and rubber parts, combining tooling experience with manufacturing and quality control capabilities.
This long-term manufacturing experience provides a foundation for handling projects with different part geometries, materials, production volumes, and application requirements.
This long-term manufacturing experience provides a foundation for handling projects with different part geometries, materials, production volumes, and application requirements.
In-House Engineering and DFM Support
Before tooling begins, drawings and 3D CAD files can be reviewed to identify potential manufacturing issues.
Reviews may include:
- Wall thickness
- Draft angles
- Parting lines
- Undercuts
- Shrinkage
- Ejection
- Material selection
- Mold structure
Addressing potential issues before tooling can help reduce unnecessary mold modifications and production delays later in the project.
Tooling and Production from One Manufacturer
Jiangzhi can support both mold development and injection molding production, giving customers one manufacturing partner from tooling through finished parts.
This reduces the need to coordinate separately with a mold maker and an injection molding supplier and allows tooling and production requirements to be considered together.
Quality Control Throughout Production
Quality control is integrated into the manufacturing process from incoming materials through final inspection.
Depending on project requirements, inspection can include:
- Incoming material inspection
- First article inspection
- Dimensional inspection
- Visual and surface inspection
- Production monitoring
- Final inspection
- Inspection documentation
Quality requirements can be defined according to customer drawings, specifications, and project requirements.
Long-Term Production Support
Manufacturing support does not necessarily end after the first order.
Jiangzhi can continue supporting repeat production, engineering changes, tooling modifications, and ongoing supply as product requirements or production volumes change.
Explore Our Injection Molding Services
Looking for a specific molding solution? Explore Jiangzhi's injection molding services for different materials, processes, production volumes, and part requirements.
From Drawing to Delivery
Once you send us your drawing or project requirements, we guide the project through each stage — from
engineering review and tooling to production, inspection, and delivery.
engineering review and tooling to production, inspection, and delivery.
01.
Inquiry & DFM Review
Send us your drawing or 3D file. Our engineers review the part for manufacturability and identify potential design changes before tooling begins.
02.
Quote & Tooling Plan
Based on your part design, material, quantity, and project requirements, we provide a quotation and propose a suitable tooling approach.
03.
Tooling & Sample Approval
The mold is developed and samples are produced for approval before moving forward with production.
04.
Production & Quality Control
Once samples are approved, production proceeds according to the agreed requirements, with inspection and quality control throughout the process.
05.
Export & Delivery
Finished parts are inspected, packed for export, and prepared for shipment according to your delivery requirements.
Ready to Start Your Project?
Share your drawings, samples, or requirements with us. Our engineering team will review your project and provide a fast DFM analysis and quotation.
Get a Quote
Can I visit the factory or audit production remotely?
Yes. Jiangzhi welcomes on-site visits, and for remote customers, we can provide video updates, production reports, and photo documentation so you can monitor the manufacturing process remotely.
How is my intellectual property protected?
We treat your designs as strictly confidential. We sign NDAs, restrict internal access to your files, and use secure storage and production processes to safeguard your IP.
Can you handle small or prototype orders, not just mass production?
Yes. We support low-volume production, rapid prototyping, and pilot runs, so you can validate a design before committing to full-scale manufacturing.
Can you handle both tooling and production, or just molding?
Yes. We handle both mold development and injection molding production. You can work with one supplier from tooling and sample approval through production and delivery, instead of coordinating separately with a mold maker and a molding factory.
How does working with a China supplier compare on cost and lead time?
It depends on your part design, tooling requirements, order quantity, and shipping method. Once we review your drawing and project requirements, we can provide a quotation and estimated lead time based on your specific project.
