Door Trim Tooling
Your Professional Door Trim Tooling Supplier
Our goal is to be your reliable partner for door trim tooling in China. Hengji Mould & Plastic Co.,ltd is specialized in designing and manufacturing of plastic injection molds for automobile interiors&exteriors and lights, as well as injection molding service. We have a skilled engineering team dedicated to refining every stage, from product development and process improvement to production oversight, ensuring every product delivered meets rigorous quality and performance standards. The price is competitive and the product is quality-assured, which is a good choice for your long-term cooperation.
Why choose us
Production equipment
We have CNC machining centers, five-axis high-speed milling machines, deep-hole drills, EDMs, mold clamping machines, injection molding machines, coordinate measuring machines, and other processing and testing equipment.
Quality control
We strictly adhere to the ISO9001 quality management system and continuously strive for excellent product quality.
Our team
We have a design team staffed with experts in CAE/mold flow analysis, automotive interior and exterior design, and mid- to senior-level technicians. We are a strong and capable team.
Our services
Our team of experts will recommend the most suitable products according to customer needs and provide detailed consultation, we ensure timely delivery, and we provide long-term service support.
Advantages of Door Trim Tooling Mould
Affordable parts
Most parts made of metal cost more than plastic parts. The metals needed to make certain parts, such as the rims and chassis of a car, are limited resources, and most suppliers price them higher because of their value or rarity.
Faster production
Production is an essential aspect of manufacturing that needs to remain as high as possible to meet demand. The automotive industry's reliability comes from its ability to mass-produce vehicles and their parts.


Durability
People see vehicles’ exteriors as the most durable parts because of their metal composition, they still have the potential to rust and corrode over time. Injection-molded parts of an automotive vehicle are some of the most durable pieces in the structure.
Flexible design
As vehicles continue to push the boundaries of functionality and control for the driver, automotive parts May have different designs that require flexible manufacturing. Thanks to its flexibility, injection molding is the best process for designing new or innovative designs.
Specification of Door Trim Tooling
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Product name |
Door trim tooling |
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Injection System |
Synventive Nozzles |
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Surface Finishing |
Texture |
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Origin |
China |
Lightweight design
The automotive industry continues to pursue lightweight components to enhance fuel efficiency and handling. However, many of these parts remain physically large, requiring high-capacity injection molding machines.
Lightweight materials
Composite materials (cm), such as PC and pmma, are essential for producing lightweight, high-strength automotive parts. These materials are more viscous and require high injection pressure.
High productivity
Automotive interiors like dashboards and door panels often require complex, multi-step processing. Machines support integrated multi-functionality—combining processes such as overmolding and film insertion into a single cycle.
Product diversification
Aesthetic appeal has become just as important as functionality.Multi-color injection molding allows automakers to differentiate their brands and offer more design flexibility.
Space-saving machine design
Factory floor space is always at a premium. Two-platen injection molding machines are ideal for manufacturers requiring high-output machines in limited spaces.
Auto door trim injection tooling is used to mass-produce complex, lightweight, and durable car interior components like door panels, armrests, and decorative trim by injecting molten plastic into precise molds. This tooling application offers high precision, cost efficiency, and design flexibility.

Production Process of Door Trim Tooling
Material selection and preparation
Thermoplastics like polypropylene (pp), acrylonitrile butadiene styrene (abs), or polycarbonate (PC) are chosen based on the part’s requirements, such as those used in car bumper injection moulding. The material is dried to remove moisture and fed into the molding machine’s hopper.
Melting and injection
The plastic pellets are heated in a barrel until molten, then injected under high pressure into a mold cavity designed to the exact specifications of the part, a critical step in automotive plastic injection molding.
Cooling and solidification
The molten plastic cools and solidifies within the mold, taking on its final shape. Cooling time varies depending on the material and part complexity, ensuring durability for injection molding automotive parts.
Ejection and finishing
Once solidified, the part is ejected from the mold. Additional finishing processes, such as trimming or painting, May be applied to meet aesthetic or functional requirements, as seen in car plastic molding for exterior components.
Packing and Shipping of Door Trim Tooling
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Packing |
Box |
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Shipping |
Shipped by road, sea, rail |
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