Comprehensive Plastic Injection Molding Solutions in Lowell, MA
Ronningen is proud to offer high-quality plastic injection molding and manufacturing services to businesses in Lowell, Massachusetts. With over 50 years of experience, we specialize in producing custom molded plastic parts for industries such as medical devices, aerospace, automotive, and consumer electronics. Our advanced manufacturing facility is equipped with state-of-the-art injection molding technology, enabling us to handle projects of all sizes, from small prototypes to large-scale production runs.
In addition to plastic injection molding, Ronningen offers a range of secondary services, including over molding, insert molding, ultrasonic welding, and electroplating. These additional capabilities help us deliver durable, high-performance parts that meet your functional and aesthetic requirements. Ronningen is committed to providing reliable, cost-effective solutions that streamline production and meet the needs of Lowell’s diverse industries.
Comprehensive Plastic Manufacturing Solutions for Lowell’s Industries
At Ronningen, we provide a full suite of plastic manufacturing services designed to meet the diverse needs of Lowell’s industries. Our injection molding services include over molding, insert molding, and structural foam molding, enabling us to produce high-quality parts for a wide range of applications. Whether you’re working on a small batch of prototypes or scaling up to full production, our team ensures precision, durability, and efficiency at every stage.
In addition to our molding services, we offer secondary operations such as leak testing, machining, pad printing, and custom packaging. All of these services are performed in-house, ensuring that your parts are produced quickly and meet the highest quality standards. By handling every step of the process, we streamline your production and reduce lead times, helping you bring your products to market faster.
Precision Injection Molding and Advanced Manufacturing for Lowell, MA
Ronningen uses the latest technology and precision molding techniques to deliver the highest-quality plastic parts for businesses in Lowell. Our machines, ranging from 25 tons to 1100 tons, allow us to produce both small, intricate parts and large-volume, high-strength components. We specialize in services such as ultrasonic welding, spin welding, and structural foam molding, providing strong and durable parts that meet your most demanding specifications.
In addition to molding, we offer in-house machining, part marking, leak testing, and packaging to complete your parts. By handling every aspect of production, we ensure that your parts are delivered quickly, accurately, and ready for use. Ronningen’s integrated approach simplifies your manufacturing process, saving you time and reducing costs while maintaining high-quality standards.
Why Lowell, MA Manufacturers Choose Ronningen for Their Plastic Molding Needs
Manufacturers in Lowell, MA choose Ronningen for our complete range of plastic injection molding and manufacturing services. From initial mold design to finished product delivery, we handle every aspect of the process to ensure quality, consistency, and efficiency. With over 50 years of experience, our team is equipped to produce precision-molded parts for industries ranging from medical devices to consumer electronics.
Our services include over molding, insert molding, machining, and ultrasonic welding, giving us the capability to meet even the most complex manufacturing needs. By keeping all of these services in-house, we reduce production times and minimize costs. Ronningen’s commitment to quality, customer satisfaction, and innovation makes us the trusted manufacturing partner for Lowell businesses.
Fast, Reliable Plastic Injection Molding Solutions for Lowell, MA
Ronningen’s manufacturing facility in Lowell is designed to deliver fast, reliable, and high-quality plastic injection molding services to local businesses. We understand the importance of quick turnarounds, especially for prototypes and projects with tight deadlines. Our team uses advanced equipment and techniques to ensure that parts are produced efficiently without compromising on quality.
In addition to injection molding, we offer secondary services such as machining, leak testing, packaging, and part marking. These in-house services allow us to provide a comprehensive solution, saving you time and reducing the need for third-party suppliers. Whether you need a small batch of parts or a large production run, Ronningen ensures fast delivery and precise results.
Comprehensive Plastic Injection Molding Solutions in Lowell, MA




Our ISO 9001 certified quality management system is registered and certified by NSF International Strategic Registrations and based on a number of quality management principles including:
- A strong customer focus
- Support of top management
- Adherence to a process approach
- Continual improvement
Under the scope of our registration are the following services:
- Prototype plastic injection tooling for molded parts
- Engineering evaluation samples
- Pilot and production plastic components
Our accreditation from NSF provides assurance to our customers that our certified components and products comply with the technical requirements of ISO 9001.
QMMY2.E116158 Fabricated Parts – Component
Underwriters Laboratories is an independent product safety testing and certification organization working for public safety since 1894. Since its founding, U/L has held the reputation as the undisputed leader in product safety and certification, giving consumers peace of mind about the products they use.
("ITAR," 22 CFR 120-130) REGISTERED
All manufacturers of defense articles, related data, and defense services as defined on the United States Munitions List (Part 121 of ITAR) are required to register with the Directorate of Defense Trade Controls (DDTC). ITAR registration is a means to provide the U.S. Government with necessary information on who is involved in certain manufacturing, brokering, and exporting activities.
(MBP3)
Commitment to our air, land, and water quality is paramount at Ronningen. Since 1999, we've served as a Michigan Business Pollution Protection Partner, adopting pollution prevention policies, committing to reductions, and sharing our successes with other MBP3 members.
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.
Frequently Asked Questions About Plastic Injection Molding in Lowell, MA
At Ronningen, we understand that finding the right manufacturing partner is a critical part of your project’s success. To help you make an informed decision, we’ve answered some of the most frequently asked questions about our plastic injection molding services in Lowell, MA. Whether you’re new to injection molding or an experienced manufacturer, our team is here to provide the information and expertise you need.
Q1: What plastic injection molding services does Ronningen provide in Lowell?
Ronningen offers a comprehensive range of plastic injection molding services, including traditional injection molding, over molding, insert molding, and structural foam molding. In addition, we provide secondary services such as machining, electroplating, pad printing, part marking, and packaging. Our all-in-one approach reduces lead times and improves efficiency by handling every aspect of production in-house.
Q2: Can Ronningen handle both small-batch prototypes and large-scale production?
Yes, Ronningen can handle both small-batch prototypes and large-scale production runs. Our flexible equipment allows us to scale production according to your needs, whether you’re looking to test a few parts or need millions for mass production. We maintain high-quality standards across all production sizes, ensuring that your parts meet your specifications.
Q3: How does Ronningen ensure the quality of molded parts?
We operate under ISO 9001:2015 standards and utilize advanced inspection systems like CMMs, vision cameras, and leak testers to ensure the accuracy and quality of every part. Our quality control processes are embedded at every stage of production, ensuring that all parts meet your exact specifications and perform reliably.
Q4: What materials does Ronningen work with for plastic injection molding?
Ronningen works with a wide variety of materials, including polypropylene, ABS, polycarbonate, and high-performance resins. We assist you in selecting the best material for your part based on its functional requirements, performance needs, and environmental conditions. We also offer custom coloration to match your specifications and branding requirements.
Q5: Does Ronningen offer prototype injection molding services?
Yes, we specialize in prototype injection molding. Our rapid prototyping services help you test and refine designs before full-scale production. We work closely with you to ensure that the prototype meets your performance, material, and aesthetic requirements. This reduces the risk of errors and helps speed up the transition to full-scale production.