Plastic adapter mold

Welcome to P&M, a leading manufacturer specializing in the design, engineering, and production of high-precision custom plastic lid molds and injection-molded components. We are not a trading company; we are your end-to-end engineering partner, transforming your product concepts into mass-produced reality. From complex mold design to high-volume manufacturing and final assembly, we provide integrated solutions that ensure functionality, aesthetics, and cost-efficiency for your packaging and enclosure needs.

I. Engineered for Perfection: Our Custom Mold Design & Manufacturing

A plastic lid is a critical interface between your product and the user. Its performance hinges on the precision and quality of the mold from which it is born. Our core expertise lies in designing and building robust, high-performance molds tailored to your exact specifications.

1. MOLD ARCHITECTURE: EVERY DETAIL MATTERS

Our engineering team employs DFM (Design for Manufacturing) principles to optimize every aspect of your lid mold, ensuring flawless production and longevity.

Cavity & Core: Machined from premium-grade mold steel (e.g., P20, H13, Stainless 420) using state-of-the-art CNC, EDM, and high-speed milling. We guarantee exceptional accuracy for critical features like threads, undercuts, snap-fits, and sealing ribs, ensuring perfect part dimensions and a superior surface finish.

Gating System: We expertly design both Cold Runner and Hot Runner systems. Our advanced hot runner solutions (from brands like Yudo, Mastip, or Mold-Masters) are optimized for material flow, significantly reducing cycle times, eliminating runner scrap, and improving part quality for high-volume production runs.

Ejection System: Strategically placed ejector pins, sleeves, and blade ejectors are designed for smooth, consistent, and damage-free part release. This is critical for preventing stress marks, deformation, or bending, especially on thin-walled or flexible lids.

Cooling System: An efficiently designed cooling circuit is paramount for productivity and part consistency. We utilize Moldflow® analysis software to simulate and optimize coolant channel layout, achieving uniform heat dissipation. This minimizes cycle times, reduces warpage, and ensures dimensional stability across millions of cycles.

Venting System: Precision-machined vents at the end of fill and in problem areas prevent trapped air, which causes burns, short shots, and dimensional defects. This safeguards both the cosmetic appearance and structural integrity of your plastic lids.

2. COMPREHENSIVE MATERIAL EXPERTISE

Our molds are designed with specific material shrinkage and flow characteristics in mind. We process a wide array of FDA, LFGB, USP Class VI, and industrial-grade polymers:

Polypropylene (PP): Excellent chemical resistance, good fatigue resistance (ideal for living hinges), and high heat tolerance (>100°C). The prime choice for microwaveable container lids, yogurt covers, and pharmaceutical caps.

Polyethylene (PE): Available in High-Density (HDPE) for stiff, durable caps (e.g., detergent bottles) and Low-Density (LDPE) for flexible, squeezable lids with excellent sealability (e.g., honey jars).

Polyethylene Terephthalate (PET): Outstanding clarity, high tensile strength, and superior gas barrier properties. The standard for tamper-evident water and carbonated beverage bottle closures.

Polystyrene (PS): Offers brilliant clarity and high rigidity. Commonly used for disposable cup lids and display packaging. High-Impact PS (HIPS) provides improved durability.

Acrylonitrile Butadiene Styrene (ABS): Renowned for its high mechanical strength, impact resistance, and superb surface finish for plating and painting. Perfect for premium cosmetic caps and electronic device covers.

Engineering Plastics (e.g., PC, Nylon, Acetal): Provide enhanced thermal resistance, mechanical strength, and durability for demanding applications like automotive components and outdoor equipment lids.

Our technical team will guide you to the optimal material based on your requirements for clarity, chemical resistance, impact strength, flexibility, sterilization capability (autoclave/gamma), and regulatory compliance.

II. Advanced Injection Molding: Where Precision Meets Production

Superior molds demand superior molding processes. Our manufacturing facilities are equipped with a fleet of fully-electric and servo-driven injection molding presses, ensuring unmatched precision, repeatability, and energy efficiency.

KEY PROCESS ADVANTAGES:

Uncompromising Precision & Consistency: Our all-electric machines provide exceptional control over injection speed, pressure, and positioning. This results in ultra-tight tolerances and remarkable part-to-part consistency, run after run.

High-Efficiency Production: Through scientific molding principles and optimized process parameters, we achieve the shortest possible cycle times without compromising quality. Our hot runner expertise further enhances efficiency for large-scale orders.

Complex & Multi-Material Molding: We specialize in advanced techniques to add value and functionality:

Insert Molding: Encapsulating metal or plastic inserts within the lid during the molding process.

Two-Shot / Multi-Component Molding: Creating lids with two distinct materials or colors in a single, automated cycle (e.g., a rigid PP base with a soft-TPE seal).

Overmolding: Molding a secondary material over a substrate to create ergonomic grips or seals.

Cleanroom Molding: For medical, pharmaceutical, and sensitive food applications, we offer ISO Class 7/8 cleanroom production environments to ensure absolute product purity and compliance.

III. Added Value: Secondary Services & Total Quality Assurance

We provide more than just parts; we deliver complete, ready-to-use solutions that simplify your supply chain.

Secondary Operations & Assembly: We offer a full suite of post-molding services under one roof:

Ultrasonic Welding: For permanently attaching fittings, vents, or other components to the lid.

Decorative Finishing: In-house pad printing, hot stamping, silk screening, and spray painting for branding and aesthetics.

Full Assembly & Packaging: We can assemble lids with bottles, pumps, droppers, or other elements and package them according to your specifications for direct shipment.

Rigorous Quality Control: Our commitment to quality is embedded at every stage. We conduct raw material certification, First Article Inspection (FAI), In-Process Quality Checks (IPQC), and Final Random Inspection (FQI) using calibrated equipment like CMM, optical comparators, and custom functional gauges to ensure every lid meets your exact standards.

Conclusion: Partner with a Manufacturer, Not Just a Supplier

Choosing P&M means selecting a dedicated manufacturing partner invested in your product's success. We combine engineering excellence, advanced production technology, and an unwavering commitment to quality to provide you with plastic lids that enhance your product, protect your brand, and win in the marketplace.

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.