New Jersey’s Premier Hub for Plastic Injection Molding Services
New Jersey has emerged as a pivotal manufacturing hub, with industries such as automotive, medical devices, and electronics relying on plastic injection molding for producing high-quality, durable components. Ronningen Research and Development offers premier plastic injection molding services across New Jersey, delivering precise plastic injection molded parts designed to meet the highest industry standards for performance, functionality, and reliability. Using state-of-the-art injection molding machines, we ensure that each part is produced with efficiency, maintaining cost-effectiveness and speed without compromising on quality.
For over 50 years, Ronningen Research and Development has been the trusted partner for New Jersey businesses, providing custom injection molding solutions for industries that require top-tier components. Whether you’re in need of prototype plastic injection molding or full-scale production, our team ensures that your parts meet the exact specifications, ensuring a seamless manufacturing process. Let Ronningen Research and Development help you succeed in New Jersey’s competitive market with cutting-edge plastic injection molding services.
Plastic Injection Molding Services in New Jersey – Designed for Your Business Needs
Ronningen Research and Development offers a comprehensive array of plastic injection molding services in New Jersey, ensuring businesses have access to high-performance plastic injection molded parts for a variety of applications. Whether you need custom injection molding or prototype plastic injection molding, we guarantee that every product meets the highest standards for quality and reliability, ensuring optimal performance across all industries.
In addition to our wide range of services, Ronningen Research and Development guarantees that each project is handled with the utmost care and precision. Our plastic injection molded parts are not only of superior quality but also produced with efficiency, ensuring that your business meets its production deadlines without sacrificing performance. Whether you’re looking for fast prototyping or high-volume production, we provide tailored solutions that fit your needs.

Why Ronningen Research and Development is New Jersey’s Leading Choice for Plastic Injection Molding Services
Ronningen Research and Development is the preferred choice for plastic injection molding in New Jersey. With decades of experience and a team of experts, we specialize in delivering high-quality plastic injection molded parts for industries including automotive, medical, and electronics. By employing the latest plastic injection molding machines and injection mold tooling, we produce plastic parts that meet the highest standards of precision, performance, and durability, ensuring your products are ready for market.
We offer a broad range of services, including prototype plastic injection molding, which allows businesses in New Jersey to quickly test their designs before moving to full-scale production. Ronningen Research and Development is dedicated to delivering solutions that meet your unique requirements, providing fast, reliable, and cost-effective services to help your business stay ahead in New Jersey’s fast-paced manufacturing industry.
Custom Injection Molding Services
Our custom injection molding services create plastic parts tailored to meet your specific design and performance requirements, ensuring each part performs optimally across diverse applications and industries.
Prototype Injection Molding
With prototype plastic injection molding, we help businesses quickly develop and test their designs, allowing for fast feedback and refinement before mass production begins, speeding up time to market.
Over Molding for Versatile Applications
Over molding allows us to combine two or more materials into a single part, enhancing its strength, flexibility, and design flexibility for more complex applications, making it ideal for specialized projects.
Injection Molding for Medical Devices
Ronningen Research and Development produces plastic injection molded parts for the medical industry, meeting the most stringent regulatory and safety standards while ensuring high performance and quality for medical devices.
Our Comprehensive Manufacturing Services: Plastic Injection Molding & More
Assembly & Sub-Assembly
At Ronningen Research and Development, we provide expert Assembly & Sub-Assembly services for seamless integration of components. Whether it's simple assemblies or complex multi-part solutions, we ensure precision and efficiency in every process.
Custom Coloration
Our Custom Coloration services offer tailored color options to meet your design and branding needs. We use advanced Plastic Injection Molding techniques to ensure long-lasting, consistent colors for your products.
Custom Cutting Parts
Ronningen Research and Development specializes in Custom Cutting Parts using state-of-the-art machinery. We provide accurate cuts for a variety of materials, meeting the specific needs of your project.
Drilling
We offer high-precision Drilling services to create exact holes in various materials. Our advanced equipment ensures accuracy and quality for projects requiring tight tolerances and consistent results.
Electroplating
Our Electroplating services enhance part durability and corrosion resistance with high-quality metallic coatings. We provide superior finishes for applications in automotive, electronics, and more.
Heat Staking
Heat Staking at Ronningen Research and Development creates strong, reliable bonds between plastic components without the need for additional materials. This process is ideal for parts requiring secure assembly and durability.
Hot Stamping
Hot Stamping services provide a high-quality finish with precision and efficiency. We use advanced techniques to apply logos, designs, and text to parts, ensuring a clean and lasting imprint.
Insert Molding
Insert Molding allows us to mold plastic around metal or other materials to create strong, integrated components. This service provides enhanced functionality and durability for complex applications.
Labeling
We provide precise Labeling services that ensure clear, durable markings for traceability, branding, and compliance. Our labeling process guarantees that your parts are correctly identified and meet industry standards.
Leak Testing
Our Leak Testing services verify the integrity of your products, ensuring they meet safety standards. We provide airtight and watertight testing to prevent failures and guarantee quality.
Machining
We offer high-precision Machining services for custom parts. Using advanced CNC equipment, we deliver consistent, high-performance components for a variety of industries.
Milling
Our Milling services create intricate parts with high accuracy. We use advanced equipment to ensure precise cuts and finishes for your custom projects.
Over Molding
Over Molding at Ronningen Research and Development creates multi-material components for enhanced durability and functionality. We mold plastic over existing parts to meet complex design requirements.
Packaging, Custom
Our Custom Packaging services protect your products during transportation and storage. We offer tailored solutions to ensure your parts arrive safely and in excellent condition.
Pad Printing
We provide Pad Printing services for high-quality markings on various materials. Ideal for branding, labeling, and customization, our process ensures precise, durable prints.
Over Molding
Over Molding at Ronningen Research and Development creates multi-material components for enhanced durability and functionality. We mold plastic over existing parts to meet complex design requirements.
Packaging, Custom
Our Custom Packaging services protect your products during transportation and storage. We offer tailored solutions to ensure your parts arrive safely and in excellent condition.
Pad Printing
We provide Pad Printing services for high-quality markings on various materials. Ideal for branding, labeling, and customization, our process ensures precise, durable prints.
Part Marking
Our Part Marking services at Ronningen Research and Development ensure clear and accurate markings for identification and traceability. We use advanced techniques to apply markings that meet industry standards.
Painting
At Ronningen Research and Development, our Painting services enhance the aesthetic and protective qualities of your parts. We apply durable coatings for both functional and cosmetic purposes.
Silk-screening
We offer Silk-screening services at Ronningen Research and Development for durable, high-quality prints on parts. This process is ideal for logos, designs, and labels, providing precise results for a variety of materials.
Shielding
Our Shielding services at Ronningen Research and Development protect components from electromagnetic interference. We use advanced materials and techniques to ensure reliable performance and compliance with industry standards.
Shipping
At Ronningen Research and Development, we handle Shipping with care, ensuring that your products are securely packaged and delivered on time. Our reliable shipping services help you get your products to the market quickly and safely.
Spin Welding
Spin Welding services at Ronningen Research and Development provide strong, durable bonds for plastic parts. This technique is ideal for creating seamless joints without the need for additional materials.
Structural Foam Molding
We offer Structural Foam Molding at Ronningen Research and Development for lightweight, durable plastic parts. This service provides strong components with a reduced weight, ideal for applications that require high strength without the added bulk.
Taping
Our Taping services at Ronningen Research and Development are designed to provide secure adhesion and protection for your products. We offer custom taping solutions to meet the needs of various industries.
Trimming
At Ronningen Research and Development, we provide Trimming services to finish and refine your parts. Our precise trimming process ensures clean edges and perfect finishes for your molded components.
Ultrasonic Welding
Ultrasonic Welding at Ronningen Research and Development uses high-frequency sound waves to create strong, precise bonds between plastic parts. Ideal for delicate applications, this process ensures high-quality, durable results without the need for adhesives.
Top-Quality Plastic Injection Molding Services in New Jersey
Ronningen Research & Development offers precision plastic injection molding services throughout New Jersey. From Elizabeth and Newark to Paterson and Nashua, our team provides top-tier molded parts for industries including medical, automotive, and consumer electronics. Our advanced technology ensures quick production and consistent, reliable results. Whether you need small prototypes or large production runs, Ronningen is your trusted partner for all plastic injection molding needs in New Jersey.
Precision Molding in Elizabeth
High-precision plastic injection molding services in Elizabeth, NJ, ensuring top-quality results for various industries.
Custom Molding in Newark
Custom plastic injection molding solutions in Newark, NJ, offering efficient, precise production for diverse needs.