Plastic Injection Molding

Get quotes on custom plastic molded parts with Gree-Ge Plastic Injection Molding Service. We provide high-quality prototypes and production parts with fast turnaround times and free standard shipping.
Our manufacturing network is ISO 9001:2015, ISO 14001, IATF 16949:2016, and ISO 13485 certified, ensuring precision, consistency, and compliance with the highest industry standards.

Plastic injection molding services

Why Choose Gree-Ge for Injection Molding?

At Gree-Ge, we provide a fast, reliable plastic injection molding services designed for engineers, designers, and product developers. Our global manufacturing network allows us to handle complex geometries, overmolding, and insert molding, catering to both low-volume prototypes and high-volume production runs.
With our instant quoting system, simply upload a CAD file to receive real-time pricing and lead times, streamlining your manufacturing process.
Ready to start? Get an instant quote and bring your designs to life today.

What is Plastic Injection Molding?

Plastic injection molding service is a high-precision manufacturing process that injects molten plastic into a custom-designed mold, producing durable and complex parts with excellent repeatability. This process is ideal for high-volume production and ensures tight tolerances, consistent quality, and cost efficiency.

With support for a wide range of thermoplastics, including ABS, polycarbonate, nylon, PEEK, and polypropylene, injection molding is widely used in industries such as automotive, medical, consumer goods, and industrial manufacturing.

Plastic Injection Molding

Types of Injection Molding Dies

Injection molding dies come in various types, including single cavity, multi-cavity, and family molds, each designed for different production needs, improving efficiency, precision, and cost-effectiveness in manufacturing.

Single Cavity Molds

Single Cavity Molds

Designed for low-volume production, ensuring precision and quality for custom manufacturing needs.

Multi-Cavity Molds

Multi-Cavity Molds

Enhance efficiency by producing multiple identical parts in a single injection molding cycle.

Family Molds

Family Molds

Mold multiple different parts in one cycle, optimizing production time and reducing costs.

Types of Injection Molding Dies

Injection molding dies come in various types, including single cavity, multi-cavity, and family molds, each designed for different production needs, improving efficiency, precision, and cost-effectiveness in manufacturing.

Single Cavity Molds

Single Cavity Molds

Designed for low-volume production, ensuring precision and quality for custom manufacturing needs.

Multi-Cavity Molds

Multi-Cavity Molds

Enhance efficiency by producing multiple identical parts in a single injection molding cycle.

Family Molds

Family Molds

Mold multiple different parts in one cycle, optimizing production time and reducing costs.

Plastic injection molding-Tolerances

Service Details
Lead Time Starts at 5 business days, including fast quote responses with design-for-manufacturing (DFM) feedback
Production Options Domestic and international
Materials Most plastics, including custom sourcing and matching; see materials list below
Machines Available Single, multi-cavity, and family molds; 50 to 3,700+ press tonnage; automated side actions or hand-loaded cores.
Inspection and Certification Options Includes FAI and PPAP. ISO 9001, AS9100, ISO 13485, UL, ITAR, and ISO 7 and 8 Medical Clean Room molding.
Tool Ownership Customer-owned with mold maintenance
Mold Cavity Tolerances +/- 0.005" when machining the mold and an additional +/- 0.002" per inch when calculating for shrink rate
Part to Part Repeatability +/- 0.004" or less
Available Mold Types Steel and aluminum; Production grades range from Class 105, a prototype mold, to Class 101, an extremely high production mold. Gree-Ge typically produces Class 104, 103, and 102 tools.

Our Plastic Injection Molding Equipment

Our advanced plastic injection molding equipment ensures precision, efficiency, and high-quality production. We utilize cutting-edge machinery to deliver durable, cost-effective, and customized solutions for diverse manufacturing needs.
Brand/ModelInjection CapacityQuantityMax Mold SizeScrew TypeMaterial CapabilityApplication/Advantages
Shenda 550T1500G1 set1000MMBi-metallic Screw

High temperature/engineering materials

Ideal for large automotive and industrial parts production

Shenda 450T1250G1 set850MMBi-metallic ScrewHigh temperature/engineering materials

Suitable for medium to large-sized components requiring high strength

Shenda 380T1000G1 set750MMBi-metallic ScrewHigh temperature/engineering materials

Perfect for precision engineering and automotive components

Shenda 380T800G1 set750MMBi-metallic ScrewHigh temperature/engineering materialsBest for producing medium-sized complex parts with high accuracy.
Kawaguchi 280T950G1 set650MMBi-metallic ScrewHigh temperature/engineering materials

Excellent for detailed parts in the electronics and automotive sectors

Kawaguchi 125T200G5 sets450MMBi-metallic ScrewHigh temperature/engineering materials

Versatile for small components with high precision and repeatability

Kawaguchi 140T260G5 sets500MMBi-metallic ScrewHigh temperature/engineering materials

Great for mid-sized precision parts, especially in consumer electronics

Kawaguchi 180T350G3 sets580MMBi-metallic ScrewHigh temperature/engineering materials

Ideal for producing durable parts for industrial applications

Kawaguchi 80T100G2 sets400MMBi-metallic ScrewHigh temperature/engineering materials

Suitable for small, high-precision components in medical and electronics fields

Haitian 80T150G2 sets350MMPC screwHigh temperature/engineering materials

Perfect for small parts requiring excellent surface finish and detail

Tederic 220T650G4 sets550MMMedium screw

Great for medium-sized parts with good balance of strength and detail

Baojie Two-Color Machine350G/150G1 set450MMMedium/Thin screwABS/PC/TPU/TPE

Ideal for producing multi-material or multi-color parts, particularly in consumer goods and automotive sectors

Plastic injection molding Materials and Finishing

Our injection molding materials offer a wide range of options, are certified, and environmentally friendly, providing premium solutions for your products. Contact us now to learn more!

  • Epoxy Resins
  • Phenolic Resins
  • Urea Formaldehyde​
  • ABS
  • PMMA
  • PE
  • PC
  • POM
  • PA66
  • SAN
  • PEEK
  • PEI
  •  HIPE
  • HIPD
  • PP
  • PS
  • TPE
  • SPI-A1: Grade #3 diamond buff, 0-1 Ra. The highest quality finish with a mirror-like surface. Ideal for high-gloss, visually appealing parts.
  • SPI-A2: Grade #2 diamond buff, 1-2 Ra. Very smooth finish with a high-quality appearance. Suitable for parts where aesthetics are important.
  • SPI-A3: Grade #1 diamond buff, 2-3 Ra. Smooth finish with minor texture, used for parts needing a good appearance.
  • SPI-B1: 600 grit paper, 2-3 Ra. Produces a very smooth surface, suitable for parts requiring minimal friction and high precision.
  • SPI-B2: 400 grit paper, 4-5 Ra. Smooth finish with slight texture, used for functional parts.
  • SPI-B3: 320 grit paper, 6-9 Ra. Rougher finish, suitable for functional parts where appearance is not critical.
  • SPI-B1: 600 grit paper, 2-3 Ra. Produces a very smooth surface, suitable for parts requiring minimal friction and high precision.
  • SPI-B2: 400 grit paper, 4-5 Ra. Smooth finish with slight texture, used for functional parts.
  • SPI-B3: 320 grit paper, 6-9 Ra. Rougher finish, suitable for functional parts where appearance is not critical.
  • MT-13010: Fine spark pattern. Provides a light, decorative texture, suitable for parts needing an attractive surface.
  • MT-13020: Medium spark pattern. More pronounced texture, used for both aesthetics and functionality.
  • MT-13030: Coarse spark pattern. Rough, decorative texture, ideal for parts needing a distinct surface finish.
  • MT-11010: Fine matte texture. Provides a subtle, non-reflective finish, ideal for functional parts requiring low friction.
  • MT-11020: Medium matte texture. Offers more texture than MT-11010, used for parts requiring a non-slip surface.
  • MT-11030: Coarse matte texture. Rough surface, suitable for non-visible or functional parts.
  • MT-12010: Fine grain texture. Provides a subtle textured finish, ideal for decorative parts.
  • MT-12020: Medium grain texture. More pronounced texture, suitable for both decorative and functional parts.
  • MT-12030: Coarse grain texture. Rough surface, often used for grip or non-slip applications.
  • PM-T1: SPI-C1 + light bead blast. Creates a uniform matte texture, ideal for parts needing a non-reflective surface.
  • PM-T2: SPI-C1 + medium bead blast. Provides a rougher matte texture, suitable for parts where a non-glossy appearance is needed.

VDI 3400: VDI 0 (polished finish) to VDI 45 (very rough texture). Offers a wide range of textures from very smooth to highly textured, suitable for various functional and aesthetic requirements.

  • EDM 1: Very fine texture, almost polished, used for high-precision parts requiring a smooth surface.
  • EDM 2: Fine texture, suitable for parts requiring a smooth, functional surface.
  • EDM 3: Medium texture, provides a rougher finish, used for functional parts where appearance is less critical.
  • EDM 4: Coarse texture, rough finish, used for non-visible functional parts.

Need a specific finish?

and we’ll explore a solution for you.

Why Choose Us

Choose Gree-Ge for seamless, high-quality manufacturing. Our efficient, cost-effective solutions ensure precision, reliability, and fast turnaround times. With expert coordination and advanced technology, we deliver superior results tailored to your needs.
Extensive Capabilities

Full range of manufacturing services meet diverse project requirements and provide custom parts with unmatched quality and efficiency.

High-Quality Standards
Our certifications: ISO 9001:2015/ISO14001 ensure that our processes meet international standards, providing our clients with high-quality, reliable, and precise products.
State-of-the-Art Technology
Our 3D printing services deliver superior quality and rapid prototyping, ensuring that our clients receive production-quality parts quickly and efficiently.
Versatile Solutions
Save up to 30% without compromising on exceptional service quality for both small and large production runs.
Customer-Centric Approach​
Ensures personalized service and support, meeting clients’ specific needs with rapid quotations and expedited lead times for seamless project execution, regardless of order size.
Precision and Tolerance
We excel in high-precision manufacturing, achieving ±0.0004″ tolerances to meet exacting standards.
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Bring Your Designs to Life with Gree-Ge

Experience precision CNC machining with Gree-Ge. From intricate prototypes to large-scale production, we’re ready to bring your ideas to reality. Contact us today to discuss your project needs!

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The Ultimate Guide to Plastic Injection Molding by Gree-Ge

Plastic injection molding effectively produces precise complex plastic parts through repeated processes. The injection of warm plastic material takes place inside a mold cavity before conduction cooling shapes the final product. Gree-Ge delivers premium plastic injection molding services through which it produces exceptional components for automotive applications and the medical field and consumer goods industry and electronic sectors.

Working of Plastic Injection Molding

Plastic injection molding services consists of four essential stages which combine for precise and efficient manufacturing of plastic components during mass production.

  • Clamping: The mold contains two separate parts that are locked together by an industrial clamping system. The force level required for molding relies on the object dimensions together with its structural complexity. During this step the process ensures complete containment of plastic material throughout injection procedures.
  • Injection: Molten plastic received from raw resin pellets that undergoes melting by heat enters the mold cavity through an injection system using nozzles and runner networks when the mold halves are clamped together. During injection the material receives high pressure to achieve complete mold tolerance before cooling starts.
  • Cooling: The molten plastic starts transforming into its final form by cooling down inside the mold after its entry. A number of variables such as material characteristics together with mold temperature and part wall thickness control the length of time needed for cooling. The cooling process needs proper attention to avoid product warping and defects formation.
  • Ejection: A mechanism moves the firm plastic part outside the mold when the finishing material reaches full strength. The part gets removed without damage through the use of ejector pins or air blasts as the removal method. Every mold cycle completes before resetting by automatic mechanisms while preparing for the following mold production run.

A systematic production approach enables fast cost-efficient production of precise products that serve different applications requirements.

Advantages of Plastic Injection Molding

Mass production frequently selects plastic injection molding service because it delivers multiple beneficial attributes to manufacturing operations.

  • When the mold reaches readiness state it enables fast production cycles that generate high quantities of finished products.
  • Precise measurements alongside perfect consistency become possible through injection molding technology which handles complex geometries.
  • The production process works with different thermoplastics together with thermosetting polymers.
  • Investing in mold creation at first leads to minimal unit production expenses.
  • Plastic waste reduction happens through recycling operations which lead to material recycling and use for new products.

Industries Served by Gree-Ge

Gree-Ge serves a wide spectrum of customer industries with customized high-quality plastic injection molding services for individual sector requirements.

The automotive department at our company produces durable plastic components including dashboards, interior panels, bumpers and fasteners along with housings as well.

Our company delivers medical-grade plastic components which consist of medical devices in addition to surgical instruments along with diagnostic equipment and pharmaceutical packaging solutions. The company implements safe biocompatible materials to fulfill healthcare requirements.

Our plastic manufacturing enterprise provides injection-molded solutions for every type of consumer-based product ranging from kitchenware to home appliances through personal care items and furniture elements.

Our production of electronic equipment includes high-grade plastic enclosures together with switch housings and insulating parts, structural components for electronic devices. The precise molding process delivers exact measurements and defensive assistance to safeguard sensitive electronic parts.

Gree-Ge maintains steadfast dedication to producing molded plastic products which surpass established performance standards in all industrial sectors.

Materials Used in Plastic Injection Molding

The selection of raw materials fundamentally shapes how durable and flexible along with heat resistant the end product will become. Common materials include:

ABS (Acrylonitrile Butadiene Styrene): Excellent strength and toughness.

Polycarbonate (PC): High impact resistance makes PC especially suitable for medical instruments and optical lenses.

Polypropylene (PP): Lightweight and resistant to chemicals and fatigue.

Nylon: Offers superior wear resistance and flexibility.

Polyethylene (PE): Serves the packaging industry because it blocks moisture penetration.

Custom Mold Manufacturing at Gree-Ge

Gree-Ge designs personalized molds based on the particular needs of each project that its team manufactures. Our team utilizes CAD software combined with advanced precision manufacturing to achieve optimal mold performance which enhances the efficiency of product manufacturing and quality outcomes. Moreover, the company Gree-Ge maintains dedication to manufacturing practices that support sustainability.

Reach Out To Gree-Ge for Custom Plastic Injection Molding Needs

Gree-Ge successfully provides high-quality reliable Plastic injection molding services cost solutions through its technical expertise and pioneering technology platforms which span multiple years. Our expert support team delivers a complete process from mold design to production which enables your project to achieve specifications through efficient and cost-saving methods.

Expert Insights & Industry Trends

Explore the forefront of advanced manufacturing with Gree-Ge. Our blogs provide expert insights, industry trends, and practical tips to enhance efficiency, precision, and innovation in your production processes.

Frequently Asked Questions

Plastic Injection Molding

  • What types of plastic can be used in injection molding?

    Common plastics include ABS, polycarbonate, nylon, PEEK, polypropylene, and polyethylene. 

  • What is your minimum order quantity (MOQ)?

    Gree-Ge offers both low-volume prototyping and high-volume production options. 

  • Can injection molding produce complex geometries?

    Yes, plastic injection molding supports intricate designs, undercuts, and fine details. 

  • How long do injection molds last?

    Steel molds can last hundreds of thousands to millions of cycles, depending on material and maintenance. 

  • Can injection molding support multi-material components?

    Yes, overmolding and two-shot molding allow for multi-material parts. 

Frequently Asked Questions

About

  • What materials can you work with?

    We machine a wide range of materials, including metals (aluminum, steel, titanium, brass) and plastics (ABS, PEEK, nylon, acrylic), ensuring the right material for your application.

  • How can I request a quote?

    Simply contact us with your project details, including design files and material requirements, and we’ll provide a fast, competitive quote with estimated lead times.

  • What industries do you serve?

    We cater to aerospace, automotive, medical, robotics, consumer electronics, and industrial manufacturing sectors. Our expertise ensures precision-engineered components that meet the highest industry standards.

  • What materials can you work with?

    We machine a wide range of materials, including metals (aluminum, steel, titanium, brass) and plastics (ABS, PEEK, nylon, acrylic), ensuring the right material for your application.

  • How do you ensure quality control?

    Every part undergoes strict quality inspections using advanced measuring tools and testing protocols, ensuring precision, durability, and compliance with industry standards.

  • What services does Gree-Ge offer?

    We provide precision machining, rapid prototyping, and full-scale manufacturing, specializing in CNC machining and custom fabrication for various industries.

  • How fast can I get my parts manufactured?

    We offer quick turnaround times, delivering high-quality parts in just a few days, depending on project complexity. Our streamlined manufacturing process ensures efficiency without compromising precision. 

  • Do you offer custom manufacturing solutions?

    Yes, we specialize in customized solutions tailored to your specific design, material, and production requirements. Our team works closely with you to ensure optimal results.

Get In Touch With Us!
Prompt response guaranteed within 12 hours
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