Insert Injection Molding Manufacturer From China

20+ years of injection molding experience
Diverse plastic materials, custom configurations available
Cost-effective solutions with no quality compromise
Quick turnaround: From 3D design to production in weeks
40+ injection machines, high-volume production (50K–100K+ parts)

China Insert Injection Molding Manufacturer and Supplier

Holly offers high-quality Insert Injection Molding services for a variety of industries, including automotive, electronics, medical, and industrial applications. Our advanced injection molding technology ensures precision and reliability, allowing us to produce parts with intricate designs and tight tolerances.

We work with a wide range of materials, including ABS, POM, PP, PA, and more, and can integrate metal inserts to enhance part strength and functionality. Our team is experienced in handling both small-scale prototypes and large-volume production runs, ensuring efficient and cost-effective solutions.

At Holly, we prioritize customer satisfaction through ISO-certified processes and strict quality control measures. We are committed to providing durable, high-performance parts, delivered on time and within budget. Contact us today to learn how our Insert Injection Molding services can meet your specific needs.

Explore our insert injection molding mold

We specialize in insert molding, providing high strength, lightweight and cost-effective solutions. Our mold categories include single-cavity molds, multi-cavity molds, family molds and custom insert molds. This advanced process is suitable for automotive parts, large structural parts, furniture frames, industrial housings and household appliance housings. By precisely controlling the insertion process, we improve the structural integrity of our products, ensuring high quality and durability to meet the individual needs of our customers.

Insert Injection Molding Capabilities

Mold Type: Single-Cavity, Multi-Cavity, Family Molds, Insert Molds, Overmolding
Insert Injection Molding Machine: 40+ Insert Injection Molding Machines, Tonnage 50 – 2000 Tons
Part Size Range: 0.1g – 5000g
Tolerance Accuracy: ±0.01mm – ±0.05mm (Depending on part complexity)
Production Volume: Prototyping to Mass Production (1 – 1,000,000+ parts)
Insert Materials: Brass, Aluminum, Stainless Steel, Copper, Custom Inserts
Mold Life: 100,000 – 1,000,000+ Shots
Surface Finish: SPI A1-A3, VDI, EDM Texturing, Mirror Polishing, Custom Texture
Lead Time: Mold Fabrication: 3-6 Weeks; Production: 1-2 Weeks

Check Parts with Our Insert Injection Molding

With years of experience and a dedicated team, Holly delivers high-precision parts from prototypes to mass production. Explore our recent work and see how we can bring your designs to life!

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Material of Insert Injection Molding Available

ABS

ABS is a versatile and cost-effective thermoplastic widely used in injection molding. Known for its strength, impact resistance, and heat stability, it is ideal for automotive, consumer electronics, and industrial applications. ABS offers excellent mechanical properties, and easy processing, and can be modified with additives for enhanced flame retardancy or UV resistance. It supports various surface finishes, including painting and plating, making it suitable for both functional and aesthetic components.

Mill Lead Time: As fast as 3 days
Colors: Black, neutral matte finish

PP (Polypropylene) is an excellent material for Insert Injection Molding due to its low density, chemical resistance, and durability. It provides strong adhesion to metal inserts and is well-suited for high-volume production. PP is commonly used in automotive, medical, and consumer goods industries. For instance, car interior components like door panels and medical device housings often use PP, as it is lightweight, cost-effective, and resistant to wear and chemicals.

Mill Lead Time: Up to 3 days
Color: Natural, black

PA (Polyamide/Nylon) is ideal for Insert Injection Molding due to its excellent mechanical strength, wear resistance, and high-temperature stability. It provides strong bonding with metal inserts and is suitable for demanding applications. PA is widely used in automotive and industrial components. For example, engine parts, gears, and electrical connectors often use PA for its durability, wear resistance, and ability to withstand harsh environments.

Mill Lead Time: Up to 3 days
Color: Natural, black

POM

POM (Polyoxymethylene) is well-suited for Insert Injection Molding due to its high stiffness, low friction, and excellent dimensional stability. It offers strong adhesion with metal inserts and is ideal for precision applications. POM is commonly used in automotive and industrial components. For example, it is used in precision gears, bearings, and mechanical parts that require high wear resistance and low friction, ensuring long-term performance in demanding environments.

Mill Lead Time: Up to 3 days
Color: Natural, black

PBT

PBT (Polybutylene Terephthalate) is ideal for Insert Injection Molding due to its excellent chemical resistance, high heat stability, and low moisture absorption. It provides strong adhesion to metal inserts and is suitable for high-precision applications. PBT is commonly used in automotive and electronics industries. For example, electrical connectors, motor housings, and automotive lighting components are often made from PBT for its durability and resistance to harsh environmental conditions.

Mill Lead Time: Up to 3 days
Color: Natural, black

Stainless Steel

Stainless Steel

Stainless Steel is highly suitable for Insert Injection Molding due to its superior corrosion resistance, strength, and durability. It provides excellent performance in harsh environments and bonds well with plastic materials. Stainless steel is commonly used in automotive, medical, and industrial applications. For example, it is used in components like automotive fasteners, medical device housings, and machine parts, where both strength and resistance to corrosion are critical.

Mill Lead Time: As fast as 3 days
Finishes: Raw, anodized, bead blasted, polished

Aluminum Alloys

Aluminum Alloys

Aluminum Alloys are an excellent choice for Insert Injection Molding due to their lightweight, high strength, and excellent thermal conductivity. They provide strong adhesion to plastic materials, ensuring high-performance components in various applications. Aluminum alloys are widely used in automotive, electronics, and aerospace industries. For example, they are commonly used for automotive engine parts, electronic enclosures, and structural components where strength and weight reduction are critical.

Mill Lead Time: As fast as 3 days
Finishes: Raw, anodized, brushed, polished

GF (Glass Fiber Reinforced Plastics) are ideal for Insert Injection Molding due to their enhanced strength, rigidity, and resistance to wear. The addition of glass fibers improves the mechanical properties of plastics, making them suitable for high-load and high-performance applications. GF-reinforced plastics are commonly used in automotive, electronics, and industrial sectors. For example, they are used in automotive under-the-hood components, electrical connectors, and structural parts that require high strength and dimensional stability.

Mill Lead Time: As fast as 3 days
Finishes: Raw, textured, matte, custom finishes

CF (Carbon Fiber Reinforced Plastics) are perfect for Insert Injection Molding due to their exceptional strength-to-weight ratio, high stiffness, and superior durability. The carbon fibers provide increased strength while maintaining a lightweight profile, making them ideal for high-performance applications. CF composites are commonly used in aerospace, automotive, and sports industries. For example, they are used in automotive structural components, drone frames, and high-end sporting goods, where both strength and low weight are crucial.

Mill Lead Time: As fast as 3 days
Finishes: Raw, matte, custom textures

Insert Injection Molding Finishing Options

Name	Description
SPI A1-A3	Standard surface finish with minimal texture, providing a smooth but basic surface.
VDI	High-quality surface finish with various grades (e.g., VDI 3400) to achieve a smooth, glossy surface.
EDM Texturing	Electro-discharge machining creates intricate, precise textures for high-end parts.
Mirror Polishing	Glossy, mirror-like finish that enhances the aesthetic appearance of the part.
Custom Textures	Tailored textures like matte, soft-touch, or brushed finishes to meet specific design requirements.
Bead Blasting	Creates a rough, uniform finish using fine beads, ideal for matte or textured surfaces.

China Insert Injection Molding FAQ

What is your minimum order quantity (MOQ)?

Our MOQ depends on the part complexity, but we can handle both small batch and high-volume production runs.

How long does it take to get my parts?

Typically, mold fabrication takes 3-6 weeks, and production can start within 1-2 weeks after the mold is ready.

What materials do you use for insert molding?

We work with various plastics like ABS, PP, PA, PBT, and POM, as well as metals like stainless steel and aluminum for inserts.

Can you handle complex designs and high-precision parts?

Yes! Our team has extensive experience with intricate designs, and we ensure tight tolerances (±0.01mm) for high-precision parts.

What types of parts can you manufacture?

We produce a wide variety of parts, including automotive components, electronic housings, medical devices, and custom precision parts with inserts.

What certifications do you have?

Our factory complies with international standards like CE, RoHS, and ISO 9001, ensuring high quality and safety.

How do you ensure the quality of the parts?

We have strict quality control processes in place, including material testing, in-process inspections, and final product checks to ensure top-notch quality.

How to get a quotation for the mold cost and part price?

Send us CAD files (such as STEP format), and tell us the quantity, material, surface finish, color, or other requirements you need, then we will check and evaluate, and give you a suggestion for the part design and quote you.