Molded plastic product manufacturing

We specialize in molded plastic product manufacturing and value-added assembly—crafting custom plastic components for clients across aerospace, automotive, medical, consumer electronics, and industrial sectors. Unlike finished product traders, we focus on every stage of the molding process, from design optimization and material selection to precision production, ensuring each molded part meets your exact functional and dimensional requirements. Our core strength lies in blending advanced molding technology with collaborative customization, delivering high-quality, cost-effective molded plastic products that integrate seamlessly into your end-product lines.

Custom Molded Products: Structural Design & Material Optimization

In molded plastic product manufacturing, custom structural design is foundational to performance. Our engineering team collaborates with you to refine part geometries for optimal moldability and functionality. For high-impact molded parts (e.g., industrial tool housings), we integrate reinforced ribbing and rounded stress points to enhance durability and prevent cracking. For compact electronic enclosures, we optimize thin-walled designs (0.5–2mm) with precise draft angles to ensure smooth demolding while maintaining dimensional accuracy (±0.005mm for critical features). For medical molded components (e.g., diagnostic device casings), we design crevice-free surfaces to meet sterile cleaning standards. Key custom structural features include precision threading (M2–M50), snap-fit interfaces, undercut details, and integrated mounting brackets—all tailored to your application’s unique demands.

Material optimization is critical to molded product performance—and we select resins based on your application’s environment, load, and compliance needs. Our expertise in molded plastic manufacturing includes: pairing glass-fiber reinforced nylon (PA66+GF) with automotive clients for under-hood molded parts (tensile strength 80MPa, heat resistance up to 120°C); specifying FDA-approved PP for food-contact molded products (e.g., appliance components); using medical-grade TPU for skin-contact molded parts (e.g., wearable straps) with 500k+ flex cycles; and choosing flame-retardant ABS for electronic molded enclosures (UL94 V-0 rating). Every material undergoes pre-molding drying and testing to avoid defects like bubbles or voids, ensuring consistent quality in every batch.

Molded Product Materials & Industry-Specific Applications

Our molded plastic product manufacturing leverages a diverse range of high-quality resins to meet industry-specific requirements. Below are core materials and their targeted applications, highlighting our ability to match molded parts to your needs:

- Polypropylene (PP): Ideal for high-volume molded products—food-service tools (FDA-compliant), automotive interior trims (low VOCs), and consumer appliance parts (chemical resistance). Its low moisture absorption and moldability make it cost-effective for complex geometries.

- ABS: Preferred for durable, aesthetic molded products—consumer electronics housings (laptop casings), automotive trim, and toy components. Offers impact resistance (15kJ/m²) and easy color matching (RAL/Pantone), with flame-retardant grades for electronic safety.

- Nylon (PA6/PA66): Go-to material for high-wear and load-bearing molded parts—industrial gears, bushings, and automotive suspension brackets. Unreinforced PA suits low-load applications, while PA66+GF (20–30% glass fiber) delivers enhanced strength for heavy-duty use.

- Polycarbonate (PC): Perfect for transparent, safety-critical molded products—automotive headlamp lenses (90% light transmittance), medical device windows, and electrical enclosures. Shatterproof and heat-resistant (up to 130°C) for demanding environments.

- TPE/TPU: Ideal for flexible molded parts—wearable device straps (skin-friendly TPU), tool grips (soft-touch TPE), and automotive seals. Bonds seamlessly with rigid plastics for two-shot molding, with adjustable hardness (Shore A 30–90).

- PEEK: High-performance material for extreme-environment molded products—aerospace components (260°C temperature resistance), medical implants (biocompatible), and oil/gas valves (chemical resistance). Engineered for mission-critical applications.

Molded Plastic Manufacturing Process: Features & Advantages

Our molded plastic product manufacturing process is optimized for precision, consistency, and scalability. Key process features include: custom mold engineering (CAD/CAM design with CNC machining for tight tolerances), adaptive molding parameters (adjusting melt temperature 180–280°C, injection pressure 60–120MPa based on material and part geometry), in-line quality control (100% dimensional scanning via optical systems, impact/wear testing for performance parts), and post-molding finishing (ultrasonic welding, texturing, plating). We support small-batch (100–1,000 units) and high-volume (100k+ units) production with multi-cavity molds, ensuring consistent quality across scales.

The advantages of our molded plastic product manufacturing include: precision guarantee (tolerance ±0.005mm for critical features, reducing assembly errors), cost efficiency (multi-cavity molds cut per-part costs by 15–25%, design for manufacturability reduces waste), speed to market (prototyping in 2–3 days, mold-to-production in 2–4 weeks), and reliability (ISO 9001, IATF 16949, ISO 13485 certifications for industry compliance). Every step is designed to deliver molded parts that meet your performance and production goals.

We understand that molded plastic products are critical to your operations—and our process is built to minimize defects and lead times. Whether you need a custom prototype or high-volume production, our expertise ensures your molded parts perform as intended, every time.

Value-Added Assembly for Molded Plastic Products

To complement our molded plastic product manufacturing, we offer custom assembly services—integrating molded components into ready-to-install sub-assemblies. Examples include: assembling TPU gaskets with PC molded enclosures (electronics), attaching metal inserts to nylon molded brackets (industrial parts), or packaging sterile medical molded components (ISO 7 cleanroom). Our assembly team uses custom jigs to ensure consistency, saving you in-house labor and streamlining your production workflow.

Our molded plastic product manufacturing is more than just production—it’s a partnership to deliver tailored solutions. From initial design consultation to final assembly, we focus on your unique needs, ensuring every molded part is engineered for function, durability, and cost-efficiency. Contact us today to discuss your molded plastic product requirements and experience the difference of working with a manufacturer that prioritizes your success.

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.