Custom plastic molding solutions

We specialize in custom plastic molding solutions—delivering end-to-end tailored services for plastic component production and optional assembly, designed to address the unique challenges of clients across aerospace, automotive, medical, consumer electronics, and industrial sectors. Unlike finished product traders, we focus on translating your specific requirements (from functional performance to structural complexity) into high-quality plastic parts. Our solutions span from initial demand analysis and design optimization to mold development, molding production, and final assembly—ensuring every component aligns perfectly with your application’s needs.

Custom Molding Core: Structural Design & Material Customization

Our custom plastic molding solutions start with demand-driven structural design—we don’t just replicate designs, but collaborate to optimize them for your unique use case. For high-impact applications (e.g., industrial tool housings), we integrate reinforced rib structures and rounded stress points to boost durability. For compact electronic components, we refine thin-walled geometries (down to 0.5mm) with precise draft angles to ensure moldability without sacrificing dimensional accuracy. For medical devices requiring sterile access, we design snap-fit or threaded structures that avoid crevices trapping contaminants. Key structural customizations include: load-bearing ribbing, precision threading (M2–M50), undercut features for complex assemblies, and integrated mounting interfaces—all engineered to match your functional goals.

Material customization is the backbone of our solutions—we select and test resins based on your application’s environment, performance, and compliance requirements. For example: extreme-temperature industrial parts (e.g., oven components) use heat-resistant PC (up to 130°C); flexible consumer goods (e.g., watch bands) rely on skin-friendly TPU with 600k+ flex cycles; food-contact components (e.g., utensil handles) use FDA-approved PP with chemical resistance; and high-load automotive parts (e.g., suspension brackets) utilize PA66+GF for tensile strength up to 80MPa. We also offer modified materials (e.g., flame-retardant ABS, anti-static PC) to address niche needs, with full material testing reports to validate performance.

Custom-Selected Materials & Targeted Applications

Every custom plastic molding solution relies on materials matched to your application’s unique demands. Below are core materials we utilize, paired with their targeted use cases to showcase our customization capability:

- Polypropylene (PP): Custom solution for food-service tools (FDA compliance), humid-environment parts (low moisture absorption), and lightweight automotive trims (low density). Ideal for clients needing cost-effective, chemically resistant components.

- ABS: Custom choice for consumer electronics housings (impact resistance 15kJ/m²) and automotive interior parts. We offer color matching (RAL/Pantone) and flame-retardant modifications for clients prioritizing aesthetics and safety.

- Nylon (PA6/PA66): Custom solution for high-wear parts (gears, bushings) and load-bearing components. Unreinforced PA suits low-load applications, while PA66+GF (20–30% glass fiber) is tailored for industrial machines and automotive parts needing 500N+ load capacity.

- Polycarbonate (PC): Custom option for optical parts (lenses, light covers with 90% transmittance) and safety-critical components (shatterproof enclosures). We modify PC with UV resistance for outdoor applications or anti-scratch coatings for high-touch parts.

- TPE/TPU: Custom solution for flexible components—wearable straps (skin-friendly TPU), tool grips (soft-touch TPE), and seals/gaskets (weather-resistant TPU). We adjust hardness (Shore A 30–90) to match your tactile or sealing requirements.

- PEEK: Custom high-performance solution for extreme environments—aerospace parts (260°C temperature resistance), medical implants (biocompatibility), and oil/gas valves (chemical resistance). Tailored for clients with mission-critical, harsh-condition applications.

Custom Molding Process: Features & Solution Advantages

Our custom plastic molding process is built to adapt to your unique requirements, combining precision and flexibility. Key process features include: custom mold development (CAD/CAM design with tolerance control down to ±0.005mm for critical parts), adaptive parameter setting (adjusting melt temperature, injection pressure, and cooling time based on material and part geometry), in-line quality validation (100% dimensional scanning for complex parts, impact/wear testing for performance-critical components), and tailored secondary processes (ultrasonic welding, texturing, plating) to meet finishing needs. We support small-batch (100–1,000 units) and high-volume (100k+ units) production, with consistent quality across all scales.

The advantages of our custom plastic molding solutions are rooted in personalization: demand alignment (we solve your specific pain points, e.g., reducing part weight by 20% via material substitution, or improving assembly efficiency via integrated features), cost optimization (design for manufacturability reduces waste by 15–25%, no unnecessary over-engineering), speed to solution (prototyping in 2–3 days, mold-to-production in 2–4 weeks), and transparency (regular progress updates, material/testing reports, and mold maintenance guidance). We don’t offer one-size-fits-all services—every step is tailored to you.

Whether you need a custom solution for a one-of-a-kind prototype or a scalable process for mass production, our expertise in material science and molding engineering ensures your plastic parts perform exactly as intended. We prioritize understanding your application first—so every customization, from structure to material to process, delivers real value.

Complementary Custom Assembly Services

To complete our custom plastic molding solutions, we offer tailored assembly services—integrating your plastic components into ready-to-install sub-assemblies. Examples include: assembling TPU gaskets with PC enclosures for electronic devices, attaching metal inserts to nylon brackets for industrial machinery, or packaging sterile medical components in ISO 7 cleanrooms. We follow your assembly guidelines precisely, and can even design custom assembly jigs to ensure consistency—saving you time and simplifying your production workflow.

Our custom plastic molding solutions are more than just manufacturing—they’re a partnership to turn your ideas into high-performance parts. From initial consultation to final delivery, we focus on your unique needs, ensuring every component is engineered for function, durability, and cost-efficiency. Contact us today to share your requirements, and let’s develop a custom plastic molding solution that works for you.

We are plastic mold maker and can provide custom mold service, we can make injection molds, blow molds, rotational molds and die-casting molds.

For custom injection molds, we can provide professional custom injection molding services. Usually Plastic injection mold manufacturing Molding are manufactured using injection molding technology. The mold materials for injection molds can be chosen from P20, 718, S136, H13 and so on. The mold material reflects the mold life and product material requirements.

For parts that require blow molding production, we can also provide professional custom blow molding services.

Plastic injection mold manufacturing Injection Mould making

1.We communicate product design according to samples/drawings and your requirements.

2.After the product design is confirmed, we carry out the mold design, we provide all kinds of injection molds, blow molds, silicone molds, die-casting molds services.

3.Material procurement, steel cutting and mold basic tools.

4.Mold assembly

5.Mold inspection, tracking and controlling mold processing.

6. We will inform you the date of mold trial and send you the sample inspection report and injection parameters together with the sample.

7.Your instruction and confirmation of shipment.

8.Prepare the mold before packing.

Plastic injection mold manufacturing molding Specification

1. Professional manufacturer, design, production injection mould and stamping mould quality control

2. rich export experience plastic injection mould and stamping mould

3. Reasonable price of design mould

4. Cavities: single or as per your requirements cavity

5. Treatment: S45C Pretreat>25Hrc,And Nitriding

6. Mould Steel: Cavity ,Core and slide: P20 ,2738,2136 available Moldbase :LKM available

7. Standard:DEM ,HUSKY,available

8. Hot runner: according to your demand

9. Life time: >300 Thousand Times

10. Package: Plywood case, anti-rust paint

Mold design：

Information you need to provide us

1. If you have drawings, 2D drawings, 3D drawings (preferably in STEP format).

2. If there are no drawings, you need to provide specific length, width, height and weight information. (It’s best to send us samples)

3. Should the mold be sent to your country, or leave the mold in our factory and we will help you produce the product.

4. Mold material requirements, cavity number requirements (you can tell us about the size of your injection molding machine)

5. Product material requirements and product quantity. (You can tell us about the use of the product and we can give you suggestions)

Transaction process:

Mold testing：

Once the mold is complete, I do a mold test. It usually takes about 3-5 days to complete. We need to assemble the mold, adjust the pressure data of the machine, and try production. We need to check whether there are problems during the normal production of the mold and make modifications.

Product packaging

Packaging according to your needs

1.By air ,it takes 3-7 days for delivery .The goods can be shipped by DHL ,Fedex ,UPS .

2.By sea ,the delivery time is based on your port .

To South East Asian Countries takes about 5-12 days

To Middle east countries takes about 18-25 days

To European countries takes about 20-28 days

To American countries takes about 28-35 days

To Australia takes about 10-15 days

To African countries takes about 30-35 days.

Factory

Video-1: (Factory Video)

Video-2: (Injection Molding)

Video-3: (Blow molding)

Video-4: (Blow molding)

Video-5: (Roll molding)

Customer satisfaction is our most important goal. We focus on communication and cooperation with our customers, always pay attention to their needs and provide quick response and quality customer service. Our injection production mold factory is committed to establishing long-term relationships and ensuring that our customers receive the best after-sales service during the purchase and use of our products, and we will definitely do our best to solve any problems for our customers.

FAQ

1. Who are we?

We are based in Zhejiang, China, start from 2014,sell to North America(30.00%),Southern Europe(10.00%),Northern.

Europe(10.00%),Central America(10.00%),Western Europe(10.00%),Mid East(10.00%),Eastern Europe(10.00%),South America(10.00%). There are total about 51-100 people in our office.

2. How can we guarantee quality?

Always a pre-production sample before mass production;

Always final Inspection before shipment.

3. What can you buy from us?

Mould,Plastic Product, Metal Product,Dental Product,CNC machining.

4. Why should you buy from us not from other suppliers?

Ningbo P&M Plastic Metal Product Co., Ltd. We main do all kinds of 3d design, 3d printing and plastic metal molds tooling and products. We have our own engineer and factory. One-stop supply:3d design - 3d printing - mold making - plastic injection.

5. What services can we provide?

Accepted Delivery Terms: FOB,CFR,CIF,EXW,FCA,DDP,DDU;

Accepted Payment Currency:USD,EUR;

Accepted Payment Type: T/T,L/C,PayPal,Western Union,Escrow;

Language Spoken:English,Chinese,Spanish,French,Russian.

6. What are the characteristics of your service?

1. Your inquiry related to our products or prices will be replied within 24hours.

2. Welltrained and experienced staffs to answer all your enquiries in fluent English.

3. Offering the support to solve the problem in the application or selling period.

4. Competitive prices based on same quality.

5. Guarantee samples quality same as mass production quality.