Custom Plastic Injection Molding Services
Precision injection molding from prototype runs to high-volume production. Utilizing advanced machines from 80T to 2700T to deliver reliable, high-quality plastic components directly from our Foshan factory.
Our Plastic Injection Molding Capabilities
Equipment and Production Capacity
·Injection molding machines from 80T to 2700T
·More than 33 machines in operation
·Maximum product size up to 1.5 meters
·Maximum shot weight up to 12 kg
Processing Capabilities
·Multi-cavity mold production for cost-efficient, high-volume runs
·Precision molding with tolerances up to ±0.02mm
·Overmolding and insert molding for multi-material and complex parts
·Large parts manufacturing such as furniture and automotive components
·Small precision parts for toys, electronics, and consumer products
Quality and Delivery
·Product qualification rate of 98.5%
·On-time delivery rate of 97%
·Mold lifespan ranging from 300,000 – 1,000,000 shots
·24/7 production to meet tight deadlines
Plastic Injection Molding Materials We Work With
Choosing the right plastic material is critical for product strength, durability, and performance. At Rayleap, we process a wide range of engineering and commodity plastics to meet the needs of different industries.All materials are carefully selected for plastic injection molding applications to ensure durability and quality.For industry codes and safety standards relevant to plastic injection molding, see the Plastics Industry Association – Codes & Standards.
Commodity Plastics
Engineering Plastics
Injection Molding Surface Finishes

Glossy (High Polish)
A glossy finish creates a smooth, mirror-like surface with excellent light reflection. It highlights product details and enhances the premium look of plastic parts.
Applications: Transparent covers, cosmetic packaging, medical devices, premium consumer goods.

Matte / Satin
A matte finish reduces glare and gives a soft, non-reflective surface. It provides a professional appearance while hiding minor imperfections.
Applications: Automotive interiors, electronic housings, home appliances, handheld devices.

Textured / Etched
Textured finishes are created by etching or blasting patterns onto the mold surface. They improve grip, add decorative effects, and mask fingerprints or scratches.
Applications: Tool handles, dashboards, toys, consumer electronics casings.

Specialty Finishes
Special finishes include sandblasting, EDM spark erosion, and custom patterns. They are designed for unique tactile effects or to achieve specific branding goals.
Applications: Branding logos, functional grips, industrial parts, custom-designed surfaces.
SPI Surface Finish Standards
|
Surface Finish Type 2896_c1d101-23> |
Description 2896_14d71e-fa> |
Common Applications 2896_d7f0a8-e0> |
|---|---|---|
|
SPI A-1 2896_0f2e15-58> |
Achieved with a diamond buff, A-1 is a high-gloss, mirror-like finish. It provides the smoothest surface among SPI standards, suitable for parts requiring optical clarity. 2896_9dd073-c4> |
Lenses, light covers, cosmetic packaging. 2896_288516-40> |
|
SPI B-2 2896_e1cbc5-ff> |
Polished with fine grit sandpaper, B-2 produces a semi-gloss finish. It offers good aesthetics while being cost-effective compared to A-1. 2896_c4dae2-bd> |
Consumer electronics housings, cosmetic parts. 2896_d4d875-06> |
|
SPI C-3 2896_cbb492-70> |
Finished with stone, C-3 creates a matte surface that hides defects and reduces glare. 2896_7c06b4-7a> |
Industrial equipment housings, components where gloss isn’t needed. 2896_4199da-50> |
|
EDM Finish 2896_ff9e2c-5e> |
Produced by Electrical Discharge Machining, leaving a textured or rough surface. It improves grip and creates a technical look. 2896_e3893a-e7> |
Automotive interior parts, tool handles. 2896_253afe-94> |
|
Sandblasting 2896_77114d-32> |
A matte, uniform texture created by blasting abrasive material. It’s commonly used for functional parts that need a non-slip feel. 2896_d74c24-c5> |
Household items, packaging, grips. 2896_31a4da-2d> |
|
Chemical Etching 2896_4249f7-4b> |
Uses acid or chemical processes to create detailed textures and patterns. It allows branding or complex surface designs. 2896_51703e-3c> |
Automotive dashboards, appliance panels, branded products. 2896_2de657-a2> |
Why Choose Us

80T to 2700T Machine Range
No matter if your part is a tiny gear or a heavy-duty dishwasher shell, our diverse tonnage handles it efficiently.
From Prototype to Mass Production
We bridge the gap between initial 3D printing/prototyping and final injection mass production smoothly, managing costs at every step.
Transparent Mid-Sized Factory
Located in Foshan, China. We don’t pretend to be a global conglomerate—we are a lean, agile SME factory focused on low overhead and high responsiveness.
Genuine Mold Tooling Guarantees
We use real, high-grade mold steel (not soft aluminum for long runs) to ensure the precise tool lifespan we promise you.
Hardcore In-House Engineering
Direct communication with our experienced mold designers and technicians. No sales fluff, just straightforward technical feasibility feedback.
Trusted by Global Procurement
Providing reliable OEM & ODM injection molding parts for consumer electronics, automotive components, and household appliances.
Advantages vs Disadvantages of Injection Molding
Advantages
✅High production efficiency – thousands of parts can be produced consistently once the mold is ready.
✅Excellent precision – suitable for complex geometries and tight tolerances.
✅Wide material flexibility – supports many plastic resins, including engineering-grade options.
✅Multiple surface finishes – from glossy to textured directly from the mold.
✅Cost-effective for mass production – lower unit price at high volumes.
Disadvantages
⚠️High initial tooling cost – mold manufacturing requires significant upfront investment.
⚠️Longer lead time for tooling – mold design and fabrication may take weeks before production begins.
⚠️Not cost-effective for low volumes – tooling costs outweigh benefits in small runs.
⚠️Design changes are costly – modifying a finished mold can be expensive.
⚠️Material and size limitations – very large parts or special materials can be difficult.
Injection Molding Product Showcase
From outdoor gear to automotive parts, our injection molding capabilities cover a wide range of industries. Each product shown here reflects our commitment to precision, durability, and quality manufacturing.
Frequently Asked Question
Choosing injection molding for your product often comes with questions about materials, cost, and lead time. To help you make informed decisions, we’ve answered some of the most common questions our clients ask about the injection molding process.
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Rayleap specializes in plastic injection molding for global clients, delivering top-quality results from prototypes to high-volume production.





