Trusted by Global OEM & ODM Customers
Trusted by Leading Brands
Custom polystyrene parts manufacturing under one roof.
- 20+ Years of Injection Molding Experience
- Sample approval before mass production
- Custom Polystyrene Parts made from drawings or samples
- DFM review before tooling to reduce cracking and warpage risks
- In-house mold making and injection molding for better project control
- Custom color, surface finish, logo, and assembly options available
Custom Polystyrene Parts Built for Your Project
You can send us your drawing, sample, or product idea. We help you review material selection, part structure, molding risks, surface requirements, and production feasibility before tooling starts. From mold making and injection molding to finishing, inspection, packaging, and export delivery, we support your custom polystyrene parts project from early review to production-ready results.
Custom Injection Molded Polystyrene Parts We Manufacture
Our custom polystyrene parts are widely used in electronic products, appliances, retail displays, instruments, office products, and light-duty molded applications.

Custom lightweight housings for electronic devices, appliances, instruments, and consumer products.

Molded covers, caps, lids, panels, and protective components based on your part design.

Clear molded covers, display windows, viewing windows, and light-duty visible components.

Better impact resistance than GPPS for housings, covers, panels, and light-duty structural parts.

Custom cosmetic display stand parts, product display holders, clear covers, display bases, and retail display components for visible applications.

Electronic plastic enclosure parts, control box covers, brackets, insulating covers, and small molded PS components.

Custom covers, decorative panels, internal supports, and lightweight molded parts for appliance projects.

Brackets, supports, locating parts, panels, and internal molded components for light-duty applications.
Key Features of Custom Polystyrene Parts
Polystyrene parts offer lightweight structure, clean appearance, and practical molding performance for many custom plastic applications.

Helps reduce part weight for covers, housings, and display components.

Suitable for high-volume, cost-sensitive custom injection molded plastic parts.

Ideal for transparent covers, windows, and light-duty visible components.

Improves toughness for housings, panels, covers, and assembly parts.

Helps maintain consistent fit for molded covers and mating parts.

Works well for glossy, matte, textured, or polished appearances.

Suitable for light-duty electronic covers, brackets, and insulating components.

Supports custom colors, molded logos, printing, and surface textures.
Different Materials Meet Different Needs
Not all polystyrene (PS) parts should be made from the same material. GPPS may be suitable for transparent covers, while HIPS is typically better suited for housings, panels, and parts that require higher impact resistance. Supported by our experienced sales and engineering teams, we help you select suitable PS, HIPS, GPPS, and alternative plastics prior to tooling, to ensure your polystyrene parts fully meet practical application requirements.


Make Your Design Easier to Mold and Assemble
A 3D drawing may look complete, but small details such as wall thickness, screw bosses, snap-fits, ribs, gate position, and parting lines can affect cracking, sink marks, warpage, and assembly fit. Through DFM review and in-house mold making, we help optimize your PS injection molding project before mold production, reducing avoidable modification costs and improving part reliability.
Consistent and Controllable Quality
Sample approval is not the final goal. During Polystyrene Injection Molding mass production, PS parts may still face color variation, surface marks, dimensional drift, or packaging scratches. With process control, appearance inspection, dimensional checks, assembly verification, and export packaging support, we help your custom PS plastic products stay consistent from trial samples to batch delivery.

Start Your Custom Polystyrene Parts Project
Whether you already have drawings, samples, or only a product idea, we can help you review material, structure, tooling feasibility, and production requirements for your Polystyrene Injection Molding project.

If you already have STEP, STP, IGS, X_T, or PDF drawings, we can review the part structure, material requirements, mold feasibility, and estimated production cost for your custom Polystyrene Parts.

If you don’t have complete drawings, you can send us your existing samples. Our experts will conduct dimensional inspections, material selection, and mold manufacturing feasibility analyses for your PS parts.

If you are not sure whether PS, HIPS, GPPS, or another plastic is suitable, tell us how your part will be used. We can help you choose a better material for custom polystyrene plastic parts and PS injection molding projects.
More Details for Custom Polystyrene Parts
Before starting your Polystyrene Injection Molding project, you can review material options, quotation requirements, finishing methods, inspection points, and packaging details to make your PS parts project clearer and easier to quote.
- Material Selection
- Quotation Requirements
- Surface Finishing
- Quality Inspection
- Packaging & Delivery
| Material | Best For | Key Features | Common Applications |
| PS | General molded parts | Lightweight, cost-effective, easy to mold | Covers, holders, PS molded parts, and light-duty polystyrene molded components |
| GPPS | Transparent parts | Clear appearance, glossy surface, rigid structure | Transparent covers, display windows, clear components |
| HIPS | Housings and covers | Better impact resistance than GPPS | Electronic housings, panels, appliance covers |
| ABS | Stronger alternative | Better toughness and assembly strength | Housings, structural covers, snap-fit parts |
| PMMA | Premium clear parts | Higher transparency and better optical appearance | Clear covers, display parts, visible components |
| Information Needed | Why It Matters | Accepted Format |
| 3D Drawing | Helps check structure, size, and mold feasibility | STEP, STP, IGS, X_T |
| 2D Drawing | Confirms tolerance, critical dimensions, and surface notes | PDF, DWG |
| Physical Sample | Useful when drawings are not available | Existing sample or similar part |
| Material Requirement | Helps choose PS, HIPS, GPPS, or alternatives | Material name, application, or unsure |
| Order Quantity | Affects mold structure, unit price, and production planning | Trial order or mass production quantity |
| Surface Requirement | Affects mold finish, printing, color, and appearance control | Texture, color sample, Pantone, logo file |
| Finishing Option | Suitable For | Notes |
| Mold Texture | HIPS housings, covers, panels | Matte, fine grain, EDM texture, or custom texture |
| Mold Polishing | GPPS transparent covers and visible parts | Helps improve gloss and visible surface quality |
| Color Matching | Injection molded PS plastic parts | Based on sample, Pantone, or project requirement |
| Silk Screen Printing | Logos, marks, model numbers | Suitable for flat or slightly curved surfaces |
| Pad Printing | Small logos and detailed marks | Suitable for curved or irregular molded parts |
| Molded Logo | Long-term part identification | Embossed or debossed directly from the mold |
| Inspection Item | What We Check | Purpose |
| Material Check | Material grade, color, and batch consistency | Helps reduce wrong material risks |
| Appearance Inspection | Scratches, flow marks, sink marks, flash, and color difference | Helps improve visible part quality |
| Dimensional Inspection | Critical dimensions, holes, ribs, bosses, and mating areas | Helps ensure assembly fit |
| Assembly Check | Snap-fits, screw bosses, covers, and mating parts | Helps reduce cracking and assembly issues |
| Sample Confirmation | T1 samples before mass production | Helps confirm design and production feasibility |
| Packaging Check | Surface protection, labels, cartons, and shipping marks | Helps reduce scratches and delivery problems |
| Packaging Option | Suitable For | Notes |
| Bulk Packaging | Industrial PS parts and internal components | Cost-effective for non-visible parts |
| Individual Bag | Visible or scratch-sensitive parts | Helps protect surface during transport |
| Labeling | Product identification or warehouse handling | SKU, part number, barcode, or custom labels |
| Carton Packaging | Standard export delivery | Carton size can be arranged based on part size |
| Foam Protection | Transparent covers and visible parts | Helps reduce scratches and collision damage |
| Pallet Packaging | Large-volume export shipments | Supports safer handling and overseas delivery |
Trusted for Custom Polystyrene Parts Manufacturing
For a faster quotation, you can send STEP, STP, IGS, X_T, PDF, or DWG files. Quantity, material requirement, surface finish, color, tolerance, application, and sample photos can also help us provide a more accurate quote.
Yes. If you do not have complete drawings, you can send us a sample, product photo, or basic dimensions. We can help evaluate material options, measure key features, and review mold-making feasibility for similar custom Polystyrene Parts.
Yes. After mold making, we provide T1 samples for your confirmation. You can check appearance, dimensions, material, assembly fit, surface finish, and functional details before moving into mass production.
Yes. We can support bulk packaging, individual bags, labels, cartons, foam protection, pallets, shipping marks, and other export packaging requirements based on your product surface, quantity, and delivery method.
The cost is mainly affected by part size, material grade, mold complexity, cavity number, surface finish, tolerance requirements, order quantity, packaging method, and inspection requirements. Sending drawings or samples helps us quote more accurately.
























