Precision Plastic Injection Molding Services

Efficient, reliable, and precision -- Erye deliver custom plastic injection molding products for all your production needs.

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Plastic Injection Molding China

Plastic injection molding is a precise and efficient manufacturing process for producing high-quality plastic parts across various industries. It involves injecting molten plastic into a custom mold under high pressure, ensuring consistency, durability, and cost-effectiveness for both low and high-volume production.

As a leading plastic injection molding company in China, we specialize in producing precision plastic injection molding products that meet the most demanding specifications. The process ensures high-quality results, whether you need low-volume prototypes or large-scale production runs. From design to final product, our plastic injection molding service enable companies to bring your concepts to life.

Let's Start a Plastic Injection Molding Project

Start your plastic injection molding project in China with our proven 5-step process. From plastic injection molded part design and materials selection to injection mold design and mass production, we ensure every detail is optimized for success.

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Plastic injection molding part design

Material selection for plastic molding part

Mold design & fabrication

Start plastic injection molding production

Post service to enhance your plastic parts

Step 1. Plastic Injection Molding Part Design

A good design is the foundation of a plastic injection molding project; it not only enhances the functionality of the product but also ensures the efficiency and cost-effectiveness of the molding process. When designing your plastic molded part, key considerations include wall thickness, draft angles, and undercuts --all factors that can impact moldability and manufacturability.

Our expert team provides comprehensive consultation throughout the design phase, we will work closely to ensure your part meets both aesthetic and functional requirements while adhering to the technical specifications needed for injection molding. We offer Design for Manufacturability (DFM) analysis to identify potential challenges early in the process, ensuring that your part is optimized for injection molding production.

Step 2. Material Selection for Custom Plastic Molding Parts

The next critical steps is to select the suitable material for your plastic injection molding projects. The right material not only impacts the performance and durability of your product but also affects production efficiency and overall cost-effectiveness.
We offer an extensive range of materials, including:

Beyond standard material options, we provide tailored solutions to meet specific requirements. Many of the materials we offer can be customized with additives to adjust key properties such as flame retardancy, UV resistance, conductivity, or enhanced strength. Our customized solutions ensure that the material performs optimally in its end-use environment.

At Erye, our material experts team provide guidance in selecting the ideal material based on your products’ performance criteria, industry standards, and environmental factors, whether you need to enhance strength, flexibility, chemical resistance, or cost-efficiency.

Step 3. Plastic Injection Mold China

Once the part design has been finalized and confirmed the material, the next step is plastic injection mold design and production. The mold is the foundation of the plastic injection molding process, directly influencing product quality, manufacturing efficiency, and overall cost-effectiveness.

Our process begins with a thorough review of the part specifications, taking into account the design, material properties, and production volume requirements. We utilize Computer-Aided Design (CAD) and Computer-Aided Engineering (CAE) software to simulate and optimize the mold design, ensuring that every aspect is carefully considered for functionality, efficiency, and cost-effectiveness.

Once the mold design is finalized, our manufacturing facility produces the mold using advanced CNC machining, EDM (Electrical Discharge Machining), and other high-precision techniques. Our expert mold makers ensure that every detail, from intricate part features to cooling channels, we focus on delivering molds that provide long-lasting performance and minimize downtime.

Step 4. Mass Production of Plastic Injection Molding

After finishing first run and confirming the samples, the next step is transitioning to mass production. This phase is where design becomes reality, and precision manufacturing begins.

We are equipped with more than 50 sets of high-performance injection molding machines, with clamping forces up to 1000 tons. This allows us to handle a variety of part sizes and complexities, from small, intricate components to larger, more robust pieces. Our machines are programmed to maintain tight tolerances and consistent quality across production runs.

We also offer 24/7 production capabilities, allowing us to run continuous operations and meet tight deadlines. Whether you require small-batch production or large-scale manufacturing runs, our flexible production schedules and efficient manufacturing processes ensure timely delivery of high-quality parts.

Step 5. Secondary Process and Quality Inspection

Once the plastic parts are molded, the next step is secondary finishing. This includes a range of processes that enhance the final appearance, functionality, and quality of the molded parts. The following key processes are typically performed:

Surface Finishing

Surface finishing is applied to improve the aesthetic and tactile qualities of the molded part. Depending on customer requirements, we offer various finishing options, including painting, texturing, polishing, and laser etching. These treatments not only enhance the part's appearance but also can improve durability, resistance to wear, and functionality, particularly in parts exposed to harsh environments or mechanical stress.

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Assembly

After surface finishing, many parts require assembly. This could involve combining multiple components, adding inserts, or integrating electronic parts. We offer custom assembly services that involve both manual and automated assembly techniques. Our experienced technicians ensure that every part is assembled to the highest precision, whether it involves simple snap-fit components or more complex assemblies with inserts or other materials.

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Quality Inspection

We perform rigorous quality inspecion during the whole process - before, during and after production process, to guarantess your parts meet the highest standards. We utilize advanced metrology equipment such as CMM (Coordinate Measuring Machines) and laser scanners to ensure every part adheres to exact specifications. In addition, we conduct stress testing and environmental simulations (like temperature resistance and waterproof) when required, to confirm the part’s ability to perform in real-world conditions. Only parts that pass these exhaustive tests are approved for shipment.

Features of China Plastic Injection Molding

High Efficiency and Mass Production

Injection molding allows for rapid production of large quantities of identical parts with high efficiency. The process is highly automated, reducing human intervention and speeding up production cycles.

Precision and Consistency

Injection molding offers excellent accuracy and consistency, with tight tolerances. This ensures that parts are produced with uniform dimensions and quality across large batches.

Wide Material Range

Injection molding supports a variety of materials, including thermoplastics, thermosets, elastomers, and some metals. This flexibility allows manufacturers to choose materials best suited for the part's performance requirements.

Complex Geometries

The process can produce intricate designs and complex shapes that would be difficult or expensive to achieve with other manufacturing methods. Features such as undercuts, threads, and intricate details are easily achievable.

Low Labor Costs

Injection molding is highly automated, which reduces the need for manual labor and allows for cost savings. Once the mold is created, the process runs with minimal human supervision.

High Initial Tooling Costs

The upfront costs for creating molds can be significant, especially for complex parts. This can make injection molding less cost-effective for small production runs or prototyping.

Long Lead Time for Mold Design and Production

The design and production of molds can take time, often requiring weeks or months for complex parts. This may slow down the overall timeline for part production.

Mold Wear and Maintenance

Molds can wear over time due to the repetitive nature of the injection molding process, especially for high-volume production. Regular maintenance or mold replacement is needed, which adds to the overall cost.

China Plastic Injection Molding Cost

How much does plastic injection molding cost is the most concern questions, especially from startups. It's completely understandable that costs for new plastic injection molding parts are crucial and sensitive, particularly when working with a tight budget for a new design.

The primary factors that influence plastic injection molding cost include:

/Part1

Mold Design & Tooling

The more intricate and customized your mold, the higher the initial cost. The material used for the mold and its size also factor in. Simpler molds are more affordable, while custom or complex molds tend to cost more.

/Part2

Material

The material you choose can have a significant impact on the cost. Basic materials like ABS are more cost-effective, while high-performance plastics like PTFE will increase the price.

/Part3

Production Volume

The higher the production volume, the lower the per-part cost. For large-scale production, the initial investment in tooling is spread out over more units, reducing the per-unit cost.

/Part4

Part Complexity

Complex design or multiple features require higher cost. More detailed parts demand more precision, which means longer processing times and more work during the molding process.

/Part5

Secondary Services

If you need additional services like assembly, special surface finishing, these will add to the final cost. But they ensure your parts are top-notch.

The cost of plastic injection molding can vary widely depending on several key factors. Understanding these factors will help you get a clearer idea of the overall cost and make more informed decisions.

Plastic Injection Molding Cost Estimate

These are rough estimates. Prices can vary based on part design, material, and the specifics of your project. Below are rough estimates a small piece plastic injection molding part like a small enclosure of an electronic device.

Low-volume Production

Cost per part $4
Mold Cost $100

Production Volume: 100pcs
Material Cost: $0.5/part
Labor & Setup: $2.5/part

Medium-volume Production

Cost per part $2
Mold Cost $1500

Production Volume: 5,000pcs
Material Cost: $0.5/part
Labor & Setup: $1.2/part

High-volume Production

Cost per part $1.25
Mold Cost $5000

Production Volume: 100,000pcs
Material Cost: $0.5/part
Labor & Setup: $0.7/part

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