Injection Molding Services In China

As an injection molding parts China manufacturer, our injection molding services offer a cost-effective solution for producing high-quality plastic parts and components. Our efficient production process allows us to quickly and accurately create molds and custom plastic parts while providing design and engineering support to ensure the best results.

Our experienced team can easily handle large orders and intricate designs, making us a reliable partner for all your injection molding needs. Whatever your industry or application, we have the expertise and capabilities to fulfill your requirements and exceed your expectations.

injection molding services

Our Injection Molding Capabilities

Our injection molding capabilities are truly impressive – we offer three distinct processes to meet a wide range of needs. Utilizing these advanced injection molding services, we can provide high-quality, cost-effective solutions for our clients.

insert molding

insert molding

Insert molding allows us to incorporate a pre-formed metal or plastic piece into the injection mold, creating a finished product in one seamless process.



With overmolding, we can combine multiple materials or colors to achieve unique designs and functionalities.

Liquid silicone rubber molding

Liquid silicone rubber molding is a process where liquid silicone rubber is injected into a mold to create various parts and products. It can create medical devices, seals and gaskets, electrical components, and more.

Gallery of plastic Injection Molding Parts

At our company, we specialize in injection molding parts for various industries and applications. Our injection molding services allow for the precise and efficient production of parts with complex shapes and designs.

Our team works closely with clients to understand their specific needs and create custom injection molded parts that meet or exceed expectations. And our high-quality injection molding parts are suitable for industries ranging from automotive to medical to consumer products.

injection molding part
injection molding parts
injection molding plastic parts

Plastic Mold Manufacturing

We pride ourselves on our high-quality plastic mold manufacturing capabilities. Our team of experts utilizes state-of-the-art technology and equipment to create precision molds for various industries.

The process of plastic mold manufacturing involves creating a mold out of metal, typically steel or aluminum, and using it to shape molten plastic into the desired shape.

Mold tolerances are usually + / -0.005 “. We will review the appropriate requirements if customers require more stringent or specific tolerances for molded parts.

Our mold design process considers not only the end product but also the production process and cost efficiency. We offer rapid prototyping and a quick turnaround time for production. Our molds are designed to withstand heavy use and can be modified or replaced.

Injection Molding Materials

For all your plastic injection molding needs, we offer a variety of materials to choose from. The following are our commonly used mold materials and plastic materials:

Tooling Materials

Injection molding is essential for large-scale production, but before it can begin, a high-tolerance CNC machined tooling must be created.

Our company uses various materials for the tooling, including tool steel, stainless steel, and aluminum.

Tool Steel: P20, H13, S7, NAK80, S136, S136H, 718, 718H, 738
Stainless Steel: 420, NAK80, S136, 316L, 316, 301, 303, 304
Aluminum: 6061, 5052, 7075

injection tooling molding
plastic materials

plastic Materials

Injection molding is a versatile manufacturing process that can create products from various plastic materials.There are various different types of injection molding plastic materials.


Each type of plastic has unique properties that make it suitable for certain applications.

Surface Finishes of Injection Molding

We offer a full set of surface treatments and secondary processing at Machiningtoday. Our main areas of expertise are:

Glossy finishes are the most popular type of finish for injection molded parts. They have high reflectivity and can be easily cleaned. However, they are also the most difficult to achieve.

Textured finishes offer the best resistance to wear and tear. It is created by adding texture to the mold during production.

We can paint your injection-molded part utilizing any color you desire. We have 3 Painting Lines, and we understand how best to complete production jobs fast.

Matte finishes have lower reflectivity than glossy finishes but are much easier to achieve. It is a popular choice for products that will be handled frequently, reducing the risk of fingerprints and smudges.

The UV coating is ideal for plastic parts frequently exposed to solar UV rays. It extends the service life and quality of the parts. We have our UV coating line, so we can fully meet the needs of our customers.

In addition to these treatments, we offer other secondary processing options: polishing, silk/pad printing, laser etching, and labeling.

Why Choose our China Custom Injection Molding services?

There are several reasons to choose us if you’re looking for high-quality custom injection molded parts from a China manufacturer.

Years of Experience

First, we have over ten years of experience in the industry, so our team of experienced professionals is committed to producing the highest quality products for our clients.

Custom Parts

Second, we use only the latest technology and equipment to ensure precision and accuracy in our molding process. And with a wide range of capabilities and manufacturing options, we can handle just about any custom project you may have.

From Prototyping to Production

Whether you need a small batch of specialized injection molded parts or high-volume production, we are equipped to handle your project with expertise and efficiency. With our injection molding services, we can provide the perfect solution for your manufacturing needs.

rapid injection molding
control the quality

How Do We Control The Quality

At Machiningtoday, we strongly value quality control and assurance (QA / QC). We control the quality of injection molding parts from four aspects:

Material Selection: we choose high-quality materials that are suitable for the intended application and compatible with the mold and process.

Mold Design: we have professional engineers to design molds and close CNC equipment to process molds.

Process Control: from properly setting machine parameters to monitoring production conditions, we will make adjustments as needed.

Quality Control Team: we have a dedicated QC/QA team who thoroughly examines each finished part and can help catch any issues before they reach the customer.

What Is Injection Molding?

Injection molding is a manufacturing process for producing parts from both thermoplastic and thermosetting plastic materials.

Molten plastic is injected at high pressure into a mold, which is the inverse of the desired shape.

After a product is designed, usually by an industrial designer or an engineer, molds are made by a toolmaker from metal, usually either steel or aluminum, and precision-machined to form the features of the desired part.

The most common material used in injection molding is plastic.

Applications of Injection Molding

Injection molding can be suitable for producing a wide variety of plastic parts and products, including but not limited to the following:

Automotive components
Household goods
Single-use medical parts
Electrical connectors

What's Our Process For Injection Molding Services?

Our injection mold-making process involves a series of steps to ensure a successful result.

First, production requirements are determined and arranged. Second, a DFM report is analyzed for feasibility.

Third, the mold is produced, and free samples are created for testing. Fourth, once the client approves the samples, mass production can begin.

Fifth, our professional quality inspection teams will inspect every product. Finally, fast delivery.

By following this systematic process, we ensure that our injection molds meet all necessary criteria and function effectively in the final product.

Injection Molding FAQs

Molded parts must meet certain dimensional tolerances to function correctly.

Tolerances are determined by the part’s size, complexity, and material.

Generally, our molded parts’ tolerances are between +/- 0.005 inches and +/- 0.010 inches.

The answer depends on many factors, including the size and complexity of the product, the material used, the number of cavities in the mold, and the cycle time.

Injection molding is a popular manufacturing method to produce everything from car parts to kitchen utensils.

One of its major advantages lies in its cost-effectiveness. Injection molding allows for high production speeds and low scrap rates, reducing labor and material costs.

Additionally, this method provides design flexibility as molds can be easily altered to create new products with minimal effort and cost.

Injection-molded products also tend to have uniformity and strength, making them a reliable option for various industries.

Overall, injection molding offers numerous benefits, making it a preferred choice for many manufacturers.

Injection molding and plastic machining are both methods to create parts and products from plastic. Each has advantages and disadvantages that should be considered when deciding which process to use.

Injection molding injects molten plastic into a mold to create the desired shape.

This process is relatively quick and can create large quantities of identical parts or products.

However, setting up an injection molding operation can be expensive, and the molds themselves can be costly to produce.

Plastic CNC machining is a subtractive manufacturing process that involves cutting away material from a solid block of plastic to create the desired shape.

This process is typically slower than injection molding, but it offers more flexibility in terms of design and does not require the same level of investment in equipment and tooling.

Insert molding and overmolding are two different processes used to create plastic parts.

Insert molding is a process where a pre-formed insert is placed into a mold cavity, and then the mold is filled with plastic.

Overmolding is a process where two or more pieces of plastic are bonded together to form one piece.

Insert molding is typically used to create parts with complex shapes or add reinforcement to a part.

Overmolding is typically used to create parts with multiple colors or a soft-touch surface.

While both techniques have advantages, it is important to consider which will be most effective for your needs carefully.

In any case, insert molding and overmolding can lead to stronger and more versatile end products.

contact us for plastic injection molding Services

As a professional plastics parts manufacturer in China, we offer a wide range of custom plastic parts and injection molding services to meet your needs. We are experts in plastic injection molding and can provide you with the best possible service and quality products. Contact us today to learn more about our custom services.