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TONGREEN CNC
CUSTOM ONLINE QUOTES
Custom Injection Molding Service
We provides injection molding service for customers who need reliable production plastic parts, stable quality, and practical project support from sample stage to batch manufacturing.
✓
ISO 9001 Certified✓
10+ Years Experience✓
Free DFM AnalysisCUSTOM SOLUTIONS
Custom Injection Molding for Production Plastic Parts
We support plastic injection molding projects for custom housings, covers, brackets, clips, connectors, and other functional molded components. Our team helps customers move from part review to sampling and then into stable production with clearer control over cost, consistency, and repeatability.
Whether you're switching from an existing supplier or starting a new project, our team focuses on practical communication, sound engineering, and reliable sampling support.
Send your photo, part drawing or sample to review →
Customized molded plastic parts for industrial applications
CAPABILITIES
Injection Molding Capabilities
Our injection molding support can include tooling coordination, sampling, production molding, part finishing, and basic assembly planning. We work with customers who need both small validation runs and ongoing production quantities.
If your project also involves prototyping or machined parts, we can help connect it with rapid prototyping, CNC machining service, or related manufacturing support.
Mold Design Support
DFM analysis and feedback for design optimization, ensuring manufacturability before tool cutting.
Sampling & Prototyping
Rapid tooling and sampling to validate design, material, and part performance before mass production.
Batch Production
Stable production volumes for mid-to-high quantity plastic parts with consistent quality assurance.
Finishing & Assembly
Secondary operations, post-mold finishing, and assembly services available for finished products.
From tooling support to production molding, we deliver reliable solutions for your plastic components.
Get a quote for your custom molded plastic parts and our support will help you achieve excellence.
PARTS WE MAKE
Typical Injection Molding Parts
We produce a wide range of custom injection molding parts for different industries and applications.
We support both simple and more detailed injection molding parts depending on geometry, surface expectation, quantity, and functional requirements.
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Industrial molded parts
plastic gear
Plastic housings & covers
Plastic housings & covers
Custom structural plastic parts
Industrial molded parts
Examples of injection molded plastic parts for industrial and consumer applications
MATERIALS
Materials for Injection Molding Service
We work with a wide range of engineering plastics and commodity plastics to meet the performance, durability, and cost requirements of your application.
High Performance
Engineering plastics with excellent mechanical and thermal properties.
Cost Effective
Choose the right material to balance performance and production cost.
Wide Selection
Multiple material options for different industry and application needs.
Reliable Quality
Stable material supply and strict quality control for consistent results.
ABS
Good toughness and impact resistance. Widely used in housings and consumer electronics.
PC
High transparency and excellent impact resistance. Ideal for optical and clear parts.
PA (Nylon)
High strength, wear resistance and fatigue resistance. Suitable for mechanical parts.
POM
Low friction, high stiffness and excellent dimensional stability. Perfect for precision components.
PP
Chemical resistance and good fatigue life. Common in caps, containers and industrial parts.
PMMA (Acrylic)
High transparency and excellent surface finish. Used for light guides and displays.
PEEK
Exceptional high temperature performance and chemical resistance. Used in demanding industries.
PC/ABS
Good balance of toughness, heat resistance and machinability. Ideal for functional parts.
Need help choosing the right plastic material?
Our engineers are here to help you select the best material for your application.
SURFACE FINISH OPTIONS
Surface Finish Options
We provide a variety of surface finishes to meet the appearance, texture, and functional needs of your injection molded parts.
Texture Finish
Various textures available (VDI, MT, SPI) for enhanced grip and appearance.
High Gloss
Smooth and shiny surface with high gloss for an attractive look.
Matte Finish
Low gloss with a smooth, even surface for a premium appearance.
Sand Blasting
Uniform matte texture achieved by sand blasting for a modern look.
Painting
Custom color painting to match your brand and design needs.
Laser Marking
Permanent laser marking for part identification and branding.
Need a custom finish for your project?Contact us to discuss your requirements.
QUALITY ASSURANCE
Quality, Tooling, and Production Support
Quality in injection molding production is more than just the final part. It also depends on tooling, in-process inspections, and consistent post-production process control.
We follow strict quality control processes from mold verification to in-process inspection and final inspection to ensure reliable injection molded plastic parts.
If needed, we can also support sample tooling runs and post-production support for a longer production line.
Learn About Our Quality Process →REQUEST A QUOTE
Request a Quote
Send your part drawing, quantity target, material preference, and application details. We will review the project and provide a quotation with practical recommendations for tooling, molding, and production planning.
Quote within 24 hours
Free DFM analysis
Pilot run option available
Flexible production volumes
1
Drawing Review
We review your drawings and provide feedback on manufacturability.
2
Tooling & Sample
Tooling fabrication and sample part validation before production.
3
Production
Full production with quality inspection and on-time delivery.
