Injection Molding Services In China

Our injection molding company based in China is specialize in providing custom plastic injection molding services for both prototyping and production purposes. We are committed to delivering reliable, cost-effective solutions to our clients. Our team of highly skilled professionals uses state-of-the-art machinery and advanced techniques to ensure that the end product is of the highest quality.

Types of injection molding services

Insert Molding

Insert Molding Service

Insert molding involves the process of molding plastic around a pre-placed metal or plastic insert, resulting in a finished product that combines both materials into one functional component. It is a cost-effective solution for creating complex parts that require additional components such as threaded inserts, bushings, or connectors.

Overmolding Service

Overmolding Service

Over-molding is a process of injecting two or more materials into a single mold to create a single part with unique properties. The first material is usually a rigid plastic, and the second material is a softer or more flexible material. Over-molding is commonly used in various industries, including automotive, aerospace, medical device, and consumer goods, to create complex parts that require multiple materials. 

Liquid Silicone Rubber Molding

Liquid Silicone Rubber Molding Service

Liquid Silicone Rubber molding involves injecting the liquid silicone into a mold cavity under high pressure using an injection molding machine. The mold is then heated to cure the silicone, which solidifies and takes on the shape of the mold cavity. It is commonly used to produce parts such as seals, gaskets, connectors, and various medical devices.

Plastic injection mold

Plastic injection mold
Molds can vary in complexity depending on the part being produced. Simple molds may consist of only one or two cavities, while more complex molds can contain dozens or even hundreds of cavities. Molds can also be customized with inserts or interchangeable components to allow for multiple-part designs to be produced from a single mold.

A plastic injection mold is a tool used in the plastic injection molding process. It is designed to contain molten plastic material in a specific shape or form until it has solidified and can be ejected as a finished part.

The mould is typically made of metal, such as steel or aluminum, and consists of two halves – the cavity half and the core half. The cavity half is where the molten plastic is injected and takes the shape of the desired part, while the core half forms any internal features or holes. The two halves are held together by the mold base and are designed to be easily opened and closed for part ejection and mold maintenance.

The mold design is critical to the success of the plastic injection molding process. Factors such as part geometry, material properties, and production volume are all taken into consideration when designing the mold. This includes factors such as the number of cavities (or parts) that can be produced in a single shot, the cooling system to ensure even cooling of the molten plastic, and the gating system to control the flow of plastic into the mold.

Materials Used in Injection Molding

The materials used in injection molding can vary depending on the specific application and desired properties of the final product. Here are some common materials used in injection molding:

Thermoplastics

Thermoplastics

These are the most commonly used materials for injection molding due to their versatility, durability, and cost-effectiveness. There are numerous types of thermoplastics used in injection molding. Some common examples include:

PP, ABS, PC, PE, PVC, Nylon, PS, PET, POM, PU

Thermosets

Thermosets

Thermosets are a class of materials that undergo a chemical reaction during molding and become irreversibly hard and rigid. They cannot be re-melted or re-shaped once they have been molded. Some examples of thermosets used in injection molding include:

Phenolic, Epoxy, Polyester, Melamine, Silicone

Elastomers

Elastomers

Also known as rubbers, elastomers are materials that can be stretched and returned to their original shape without deforming or breaking. Some examples of elastomers used in injection molding include:

TPE, LSR, PU, EPDM, SBR

Gallery of Injection Molding Parts

For many years, our injection molding parts are used in a wide range of industries, including automotive, electronics, consumer goods, medical devices, and more. Below are some of our previous injection molding projects.

Injection Molding Parts
Injection Molding Parts
Injection Molding Parts
Injection Molding Parts

Custom Injection Mold Parts Finishes

Texture

Injection molds can be created with various textures, such as smooth or rough surfaces, to give the final product a unique look and feel.

Gloss/matte finish

Depending on the desired look, a mold can create either a shiny or matte finish on the product.

Metallic finishes

Injection molding can create metallic finishes, such as chrome, brass, or gold, for a high-end look.

Custom color matching

Injection molding can produce parts in any color, including custom-matched colors to match branding or specific design requirements.

Woodgrain finishes

Injection molds can be created to mimic wood grain patterns on plastic parts for a natural look and feel.

Embossed logos or designs

Injection molds can be created to emboss logos or designs directly onto the surface of the product.

Control Quality

Our Quality Control For Injection Molding Parts

Clear quality objectives: We have established clear quality objectives that are communicated throughout the organization and regularly reviewed for effectiveness and relevance.

Thorough material testing: We conduct extensive material testing to ensure that all raw materials used in our injection molding process meet or exceed industry standards and customer specifications.

Advanced process monitoring: We utilize advanced process monitoring tools to track key variables during the injection molding process, including temperature, pressure, and flow rates.

Comprehensive inspection protocols: We conduct a rigorous inspection of all finished products to ensure they meet quality standards and customer expectations.

Continuous improvement initiatives: We continuously strive to improve our processes and procedures to enhance the overall quality of our injection molding services.

Why Choose our Injection Molding services?

Quality assurance

Our company takes quality seriously and has robust systems in place to ensure that molded parts meet exacting standards.

Competitive price

Our company can provide lower prices, making it more favorable and competitive prices according to your renderings, without sacrificing quality.

Customer service

We are responsive to your inquiries, offer clear communication throughout the project. We’ll work with you throughout your project to help you quickly move from prototyping to production.

Experience and expertise

We has been in the injection molding business for many years, we have decades of experience and we have developed a deep understanding of the process, materials, and equipment involved.

Unmatched Lead Times

Reduce your product development cycle by weeks—sometimes months—and bridge to production with injection-molded parts within days. Some injection molding orders can ship in as fast as 1 day.

No Minimum Order Quantities (MOQs)

Procuring parts on demand, without MOQs, helps you manage market or demand volatility and provides a cost-effective source for bridge production, line-down emergencies, end-of-life production, or product customization.

FAQs

When choosing an injection molding China company, there are several factors to consider:

Experience: Look for a company that has been in the industry for several years and has experience in producing products similar to yours.

Quality: Check the company’s quality control processes, certifications, and customer reviews to ensure they consistently produce high-quality products.

Capacity: Consider the company’s production capacity, lead times, and ability to handle large orders to ensure they can meet your manufacturing needs.

Technology: Look for a company that invests in the latest technology and equipment to ensure efficient production and high-quality output.

Customer service: Choose a company with excellent customer service and communication skills to ensure a smooth manufacturing process and timely delivery of your products.

Price: While price is important, it should not be the only factor considered. Look for a company that provides competitive pricing while also delivering high-quality products and services.

Injection molding is a manufacturing process used to produce parts and products by injecting molten material into a mold cavity under high pressure. The material solidifies and takes the shape of the mold as it cools, resulting in a finished product with the desired shape and size. Injection molding is widely used in the production of various plastic products such as toys, automotive parts, medical devices, electronic components, and kitchenware, among others.

DMF: When we receive injection molding requests from our customers, we will have an open dialogue with our customers to understand their requirements and preferences in detail, identify any potential issues or limitations in the manufacturing process before production begins, and ensure that product designs can be manufactured efficiently and at a reasonable cost.

Mold opening: After we have reviewed the product shape, we will make molds for it to begin processing.

Clamping: clamp the mold halves together using a hydraulic or mechanical press. This ensures that the mold stays securely closed during the injection process.

Injection: Once the mold is clamped, the plastic pellets are melted in a heated barrel and injected into the mold cavity under high pressure. The injection speed and pressure are carefully controlled to ensure that the plastic fills the entire mold cavity.

Cooling: After the plastic is injected into the mold, it begins to cool and solidify. The cooling time depends on the thickness of the plastic and the design of the mold.

Ejection: Once the plastic has cooled and solidified, the mold is opened and the part is ejected from the mold cavity. Ejector pins are used to push the part out of the mold.

Surface treatment: After ejection, the plastic injection molded parts may need additional finishing such as trimming excess material or applying surface textures.

Automotive: Injection molding is widely used in the automotive industry to produce parts such as dashboards, door panels, interior trim, and exterior body panels.

Consumer goods: Injection molding is commonly used to produce a variety of consumer goods, including toys, kitchen appliances, electronics, and personal care products.

Medical devices: Many medical devices, including syringes, IV components, and surgical instruments, are manufactured using injection molding due to its precision and ability to meet strict regulatory requirements.

Packaging: Injection molding is often used to produce plastic packaging components such as bottle caps, containers, and lids.

Aerospace: Injection molding is also used in the aerospace industry to produce components such as air ducts, light lenses, and cockpit instruments.

Construction: Injection molding is used in the construction industry to produce parts such as window frames, piping, and insulation.

Electronics: Electronic components such as connectors, switches, and cables can be produced using injection molding.

Sports and recreation: Injection molding is used to produce equipment for sports and recreation such as bicycle frames, golf club heads, and ski bindings.

Molding and printing are two different manufacturing processes used to produce various types of products. The main differences between molding and printing are:

Process: Molding involves shaping material by pouring it into a mold and allowing it to cool or harden, whereas printing involves building up layers of material until the desired shape is achieved.

Materials: Molding is typically used with materials such as plastics, metals, and ceramics, while printing can be used with a wider range of materials, including plastics, metals, ceramics, and even biological materials.

Complexity: Molding allows for more complex shapes and designs than printing, which is limited by the size and resolution of the printer.

Cost: Molding can be more expensive upfront due to the cost of creating molds, but becomes more cost-effective over time with larger production runs. Printing can be cheaper for smaller quantities or custom one-off designs.

Surface finish: Molding generally produces smoother and more consistent surface finishes, while printing can have a more textured or layered appearance.

Overall, molding is better suited for large-scale production runs of simple to moderately complex shapes, while printing is ideal for smaller runs or highly customized designs with intricate details.

The cost of injection molding can vary depending on several factors, including the complexity of the part, the size of the production run, the type of material used, and the design of the mold. The upfront cost of creating the mold itself can also be a significant factor in the overall cost.But we will give you the most favorable price according to your needs.

High Efficiency: Injection molding is a highly efficient process that can produce large quantities of high-quality parts at a fast rate.

Low Cost: Once the mold has been created, the cost per part can be relatively low, making it an ideal production method for large quantities.

Versatility in material selection: Injection molding allows for a wide range of materials to be used, including thermoplastics, thermosetting plastics, and elastomers.

Precision and accuracy: Injection molding produces parts with consistent dimensions and properties, ensuring quality and reliability in every batch.

Flexibility: Injection molding can produce intricate parts with complex shapes and geometries, making it ideal for producing custom products.

Reduced Waste: Injection molding generates minimal waste as scrap material can be recycled or reused in future molds.

Automation: Injection molding can be fully automated, reducing labor costs and improving efficiency.

After receiving the order, the statement of work is reviewed by one of our manufacturing engineers. A case manager is assigned, and an appropriate manufacturing supplier is identified. A comprehensive DFM/PEG report is created and provided for approval. Upon approval, tooling and mold production is commenced. T1 samples are produced and shipped for approval. Upon approval, the remaining parts are made.

Yes, multiple colors can be run even in the same order! When running multiple colors in the same order, a purge charge will be added.

Experience top-notch injection molding China services today

Experience the excellence of our top-notch injection molding China services today! Whether you need high-quality plastic parts for prototyping or large-scale production, we are ready to meet your requirements. We pride ourselves on delivering precision, efficiency, and cost-effectiveness in every project. Take advantage of the opportunity to work with a trusted, reliable injection molding China provider. Contact us now to discuss your project needs, and let us exceed your expectations with our exceptional services.