Injection molded parts

As a professional service provider specializing in high-precision injection molded parts, we are dedicated to delivering cost-effective tailored plastic component manufacturing solutions to clients across global industries, while offering complementary professional component assembly services. With decades of technical proficiency refined in producing injection molded parts, precise mastery of plastic material properties, and a customer-oriented customization philosophy, we accurately address the complex production demands of sectors including automotive, electronics, medical devices, household appliances, and industrial equipment. Spanning from injection molded parts' structural design optimization, material selection consultation, and mass production to post-production component assembly, we construct a full-process, efficient, and collaborative service ecosystem for clients, empowering them to elevate their product competitiveness in the global market.

In the injection molded parts industry, customization capability serves as the paramount benchmark for evaluating a service provider’s core competitiveness. Our distinctive strength lies in delivering all-dimensional services for injection molded parts—from product structural decomposition to precise material matching—tailored to clients’ specific application scenarios and performance indicators. We possess profound insights into the structural characteristics of custom injection molded parts across diverse industries. Whether it involves electronic injection molded parts with intricate internal cavities and precision snap-fit structures, industrial machinery injection molded parts engineered to withstand high-strength loads, or household appliance exterior injection molded parts demanding superior surface finish, we guarantee that the injection molded parts align perfectly with client requirements through professional structural analysis and process optimization.

For the structural design and optimization of custom injection molded parts, we have developed a sophisticated service workflow. In the preliminary phase of a project, our senior structural engineers engage in in-depth consultations with clients to comprehensively collate core parameters, such as the injection molded parts' operating environment, stress-bearing capacity, and assembly specifications. Integrating the technical characteristics of producing injection molded parts, we offer professional structural optimization proposals. For example, for spliced custom injection molded parts requiring tight assembly tolerances, we precisely design fitting clearances and positioning structures. By rationally setting draft angles and avoiding undercut structures, we not only ensure the assembly precision of the final custom injection molded parts but also enhance production efficiency in the manufacturing process. For custom injection molded parts of hydraulic systems featuring complex internal flow channels, we employ advanced simulation technology to optimize the flow channel structure, ensuring uniform melt filling during production and eliminating defects like air bubbles and shrinkage marks. Furthermore, we support customized development of various structural modules for injection molded parts, including main body structures, connection structures, reinforcing rib configurations, and sealing structures. Whether it is a complex integral-formed custom injection molded part or a multi-module custom part requiring post-molding assembly, we can tailor a targeted production solution.

Accurate material selection is the cornerstone of ensuring the performance of injection molded parts. Leveraging our extensive knowledge of the properties of various plastic materials and their compatibility with different production processes for injection molded parts, we provide clients with cost-effective material selection guidance tailored to their custom needs. Currently, the plastic materials we support for producing injection molded parts cover general-purpose plastics, engineering plastics, special engineering plastics, and modified plastics, capable of meeting the diverse performance requirements of custom injection molded parts in different application scenarios.

In the realm of general-purpose plastics for injection molded parts, we frequently utilize materials such as polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), and polystyrene (PS). These materials exhibit advantages including low cost, excellent moldability, and high production efficiency for injection molded parts, making them ideal for custom injection molded parts with relatively moderate performance demands, such as daily necessities, packaging components, and basic household appliance casings. For instance, polypropylene (PP) is widely employed in manufacturing custom food-contact injection molded parts due to its outstanding chemical resistance and heat resistance, which are well-suited to the high-temperature processing conditions. Polyethylene (PE), with its superior toughness and impact resistance, is an optimal choice for producing custom packaging containers and daily-use injection molded parts. Polyvinyl chloride (PVC) boasts excellent chemical stability and flame retardancy, making it a preferred material for custom pipe fittings and decorative injection molded parts. Polystyrene (PS), characterized by good transparency and moldability, is suitable for manufacturing custom plastic toys and packaging trays as injection molded parts.

For engineering plastics, which are extensively applied in high-performance injection molded parts scenarios, we have accumulated rich practical experience with materials such as acrylonitrile-butadiene-styrene (ABS), polycarbonate (PC), nylon (PA), and polyoxymethylene (POM). Compared to general-purpose plastics, these materials offer superior mechanical properties, heat resistance, and chemical stability, making them suitable for manufacturing core custom injection molded parts in automotive, electronics, and industrial equipment industries. ABS plastic, with its excellent impact resistance and surface gloss, is a top choice for producing custom automotive interior parts and electronic product casings as injection molded parts. Polycarbonate (PC) exhibits exceptional impact resistance and high-temperature resistance, and is widely used in manufacturing custom electronic product housings and medical device components that require high transparency and strength as injection molded parts. Nylon (PA), renowned for its excellent wear resistance and mechanical strength, is ideal for producing custom gears, bearings, and other transmission components in industrial equipment as injection molded parts. Polyoxymethylene (POM), with its good fatigue resistance and dimensional stability, is commonly used in manufacturing custom precision mechanical parts such as fasteners and sliding components as injection molded parts.

For special engineering plastics designed to withstand extreme environments in injection molded parts applications, we also provide professional adaptation services, covering materials such as polytetrafluoroethylene (PTFE), polyetheretherketone (PEEK), and polysulfone (PSU). These materials possess exceptional high-temperature resistance, corrosion resistance, and mechanical properties, making them suitable for key custom injection molded parts in aerospace, medical, and high-end industrial fields. For example, polytetrafluoroethylene (PTFE) features excellent high-temperature resistance and chemical inertness, and is used in manufacturing custom sealing components for high-temperature and corrosive environments as injection molded parts. Polyetheretherketone (PEEK) can maintain stable performance at temperatures up to 260°C and has good biocompatibility, making it a critical material for manufacturing custom medical implant components and aerospace parts as injection molded parts. Polysulfone (PSU) offers excellent transparency and high-temperature resistance, and is suitable for manufacturing custom high-precision electronic components and medical equipment housings as injection molded parts.

Our professional production process system for injection molded parts is the key to ensuring the quality and production efficiency of custom products. We adhere to stringent process standards and implement full-process quality control, spanning from custom mold design and manufacturing to finished injection molded parts inspection. In the custom mold design stage for injection molded parts, we utilize advanced 3D modeling and simulation software to conduct mold flow analysis, predicting potential issues such as melt filling, cooling, and warpage during the production process. This enables us to pre-optimize the custom mold structure, including runner design, gate position, and cooling system layout, ensuring mold rationality and laying a solid foundation for subsequent production of injection molded parts. Our custom mold manufacturing team comprises experienced technicians who use high-precision processing equipment to fabricate mold cores, cavities, and other key components, ensuring that mold precision meets the requirements of injection molded parts. Typically, the mold precision we can achieve reaches ±0.01mm, fully satisfying the production needs of precision injection molded parts.

In the injection molded parts production phase, we are equipped with a comprehensive range of injection molding machines with clamping forces ranging from 50 tons to 1000 tons, capable of meeting the production needs of injection molded parts of varying sizes and weights. All injection molding machines are equipped with advanced intelligent control systems that can precisely regulate key process parameters, such as injection speed, injection pressure, holding pressure, and cooling time. During production, our technicians monitor these parameters in real-time to ensure consistent quality of injection molded parts. For example, when producing thin-walled injection molded parts, we appropriately increase the injection speed to ensure rapid melt filling of the mold cavity; when manufacturing thick-walled injection molded parts, we optimize holding pressure and cooling time to avoid defects like sink marks and shrinkage. Simultaneously, we implement a strict raw material management system for injection molded parts production. Prior to production, all raw materials undergo rigorous inspection, including material composition, moisture content, and melt flow rate, to ensure they meet the production requirements for specific injection molded parts. For moisture-absorbent materials such as nylon (PA) and polycarbonate (PC) used in injection molded parts, we perform pre-drying treatment to prevent defects like bubbles in the final products.

Beyond injection molded parts production, we also offer professional component assembly services to fulfill clients’ one-stop production needs. Our assembly workshop is equipped with specialized assembly equipment and testing tools, and has established standardized assembly processes tailored to the characteristics of injection molded parts. Based on the assembly requirements of different products, we provide services such as screw fastening, snap-fit assembly, adhesive bonding, and terminal crimping. During the assembly process, we implement strict process inspections to ensure assembly precision and product performance meet client specifications for components made of injection molded parts. For example, when assembling electronic components produced with injection molded parts, we use anti-static tools and work environments to prevent damage to sensitive electronic parts; when assembling mechanical components, we use precision testing instruments to inspect assembly gaps and rotational flexibility, ensuring the reliability of the assembled components. It is crucial to emphasize that our core focus is on providing high-quality injection molded parts and supporting assembly services, rather than finished product manufacturing. This positioning allows us to concentrate our technical resources on enhancing the precision and performance of injection molded parts, better catering to the professional needs of clients across various industries.

Quality control is an indispensable part of our injection molded parts service system. We have established a comprehensive quality management system covering the entire lifecycle from raw material incoming inspection, in-process inspection during injection molded parts production, to finished component outgoing inspection. We are equipped with advanced testing equipment, including coordinate measuring machines (CMM) for dimensional inspection of injection molded parts, tensile testing machines for evaluating material mechanical properties for injection molded parts, melt flow rate testers for assessing material processability, and surface roughness testers for inspecting the surface quality of injection molded parts. During production, our quality inspectors conduct random sampling and full inspections in accordance with sampling plans to ensure each batch of injection molded parts meets quality standards. For non-conforming injection molded parts, we implement a strict traceability system to analyze root causes and adopt corrective and preventive measures to avoid recurrence of similar issues.

We also prioritize the sustainability of our injection molded parts production and actively promote green manufacturing processes. We optimize injection molded parts production processes to reduce energy consumption and material waste; simultaneously, we actively utilize recyclable plastic materials for injection molded parts and promote the recycling and reuse of production scraps. We have obtained ISO9001 Quality Management System certification and ISO14001 Environmental Management System certification, demonstrating our unwavering commitment to quality and environmental protection in injection molded parts operations.

With years of experience in the injection molded parts industry, we have served hundreds of clients across diverse sectors and accumulated extensive project cases and technical expertise. Whether it is small-batch prototype trial production of injection molded parts or large-scale mass production, we can provide flexible and efficient solutions. Our professional technical team and customer service team offer 24/7 technical support and after-sales service, promptly addressing any issues clients encounter during the cooperation process related to injection molded parts production and assembly.

If you are seeking a reliable service provider specializing in injection molded parts and supporting assembly services, we are your ideal partner. Contact us today to share your injection molded parts requirements, and our professional team will provide you with a customized solution and quotation. Let us collaborate to create high-quality injection molded parts and enhance your product’s competitiveness in the global market.

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.