Expert High-End Plastic Injection Molding Services in Cedar Rapids, IA
Innovation in the City of Five Seasons moves fast. From the advanced food processing plants to the growing tech sectors near the NewBo District, companies are constantly pushing for better, more durable components. However, finding a manufacturing partner that understands the specific needs of the local corridor can be a major hurdle. Many businesses find themselves stuck with parts that look fine on paper but fail when subjected to the actual demands of the Iowa climate or high-speed production lines.
We serve Cedar Rapids, IA from our Michigan facility, providing the elite technical oversight your project needs to succeed. By utilizing our Michigan-based operations, you gain access to a team that treats manufacturing as a science. We serve clients throughout Cedar Rapids, IA who are tired of settling for average results and are ready for high-end, precision-engineered solutions. Our goal is to make the distance feel non-existent by offering seamless communication and rapid delivery.
Why Local Projects Often Stall
Many manufacturing teams in Eastern Iowa run into a cluster of related problems that can derail a product launch. These issues usually stem from a lack of technical depth or a failure to account for the unique variables of the Midwest environment.
One major issue is part warping and material instability. When plastic parts are molded without proper temperature control, they can struggle with the extreme humidity swings seen in Cedar Rapids. This leads to parts that don’t fit together during final assembly, causing massive delays at your facility.
Another common problem is inconsistent part quality in high-volume runs. If a molder isn’t using scientific molding data, the tenth part might be perfect, but the ten-thousandth could be out of tolerance. For industries like aerospace or medical tech, even a tiny deviation is a catastrophic risk that could lead to expensive recalls.
Finally, many firms struggle with slow prototyping and high entry costs. Waiting weeks for a sample or being quoted an astronomical price for a simple mold can kill a project before it starts. Without a rapid plastic prototyping service, you are essentially guessing if your design will work in the real world.
Elite Engineering from Our Michigan Facility
We address these problems head-on by serving Cedar Rapids, IA from our Michigan headquarters. Our approach is designed to eliminate risk and ensure your project stays on track from the first CAD file to the final shipment.
Our team utilizes scientific molding sensors to monitor every variable of the injection process. By tracking cavity pressure and melt temperature in real-time at our Michigan-based operations, we ensure that every part we ship to your Cedar Rapids warehouse is identical. This level of precision is exactly what is required for precision injection molding for medical parts.
To help you manage costs, we offer low-cost tooling for plastic parts that doesn’t sacrifice quality. We use advanced CNC machining at our Michigan facility to create durable molds that are built to last the life of your project. We even provide a lifetime maintenance guarantee on all tools run at our facility, so you never have to worry about unexpected repair bills.
We also offer a total manufacturing solution. Instead of just molding a part and sending it to you, we can handle plastic injection assembly services right at our facility. This means you receive a completed sub-assembly that is ready for immediate use on your production line, saving you time and reducing your internal labor costs.
Why National Service is Better for Cedar Rapids Businesses
Choosing to work with our Michigan facility gives you a competitive edge. Michigan is the global leader in injection molding technology and talent. By serving Cedar Rapids, IA with expertise from our Michigan headquarters, we give you access to a level of machinery and engineering knowledge that is often unavailable in smaller regional markets.
Distance is actually an advantage when it comes to quality. Because we are integrated into the primary Midwest logistics loop, we can often ship finished parts to neighborhoods like Marion or Hiawatha faster than a local shop that is overwhelmed by equipment downtime. We treat every project with a high-end, professional focus, ensuring that your parts meet the highest industrial standards.
Our remote service model is built on transparency. You get real-time updates on your production status and direct access to the engineers working on your project. We use high-fidelity digital communication to ensure that every specification is met, making our Michigan-based operations feel like a natural extension of your own Cedar Rapids engineering team.
Take the Next Step for Your Cedar Rapids Project
Your design deserves a manufacturing partner that cares about the details as much as you do. Cedar Rapids is a city of builders and innovators, and we are proud to support that spirit with world-class manufacturing results. By choosing to serve your Plastic Injection Molding Services in Cedar Rapids, IA needs through our Michigan-based operations, you are choosing a path of quality and reliability.
Contact our team today to discuss your project. We are ready to help you turn your vision into a high-end reality that stands the test of time.
Contact Information: Phone: 269-649-0520 Email: ronningen@ronrnd.com Address: 6700 E Y Z Ave, Vicksburg, MI 49097, United States
Our Active Certifications


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.
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
How does shipping work between Michigan and Cedar Rapids.
Shipping is fast and reliable. We use professional freight partners who specialize in industrial deliveries across the Midwest. Your parts are carefully packaged and tracked from our Michigan facility all the way to your loading dock in Cedar Rapids. Most shipments arrive within a couple of days once production is complete.
Can you help with material selection for Iowa weather.
Yes. We have extensive experience with polymers that can handle high humidity and sub-zero temperatures. We help you choose the right resin to ensure your product doesn’t become brittle or warp when exposed to the local climate in Cedar Rapids.
What are the signs that my current molder is failing.
If you notice “flash” on the edges of your parts, inconsistent colors, or parts that feel light or hollow, your molder is not controlling the process correctly. These are signs of poor pressure management and lack of scientific molding oversight.
Do you offer support for small-volume orders.
We do. We understand that many Cedar Rapids innovators need to start with smaller runs to test the market. We offer flexible production options and small-volume injection molding services to help you grow your brand at a pace that makes sense for your budget.
How do I get an expert quote for my project.
The process is simple. Send us your 3D CAD files and tell us how many parts you need per year. Our engineering team at the Michigan headquarters will review your design for manufacturability and provide a detailed quote, usually within 24 to 48 hours.
