Excellence in Custom Plastic Injection Molding Services

Created at : May 29, 2025

At Harbor Plastics, we specialize in delivering high-quality custom Minnesota plastic injection molding solutions tailored to meet the precise needs of our clients. With a focus on both efficiency and excellence, we have built a reputation for providing fast, flexible, and dependable molding services that serve a wide variety of industries and applications.

Advanced Injection Molding Capabilities

Harbor Plastics is equipped with state-of-the-art plastic injection molding machines capable of handling shot sizes up to 51 ounces and clamping forces ranging from 60 to 350 tons. This technical range allows us to handle a diverse array of projects, from short-run and low- to medium-volume jobs to long-run, high-volume production.

We understand that time-to-market is crucial, which is why we proudly offer quick turnaround times, completing some projects in as little as two days. For customers with urgent needs, rush service is available upon request, ensuring your products are delivered on schedule without sacrificing quality.

Lean and Efficient Manufacturing

At the core of our operations is a commitment to lean manufacturing principles. With a Six Sigma Green Belt certified professional on staff, we maintain rigorous standards to reduce waste and improve efficiency. Our facility features lights-out manufacturing, meaning our molding machines can operate autonomously 24 hours a day, five days a week, maximizing uptime and production capacity.

Serving a Broad Range of Markets

Harbor Plastics brings injection molding expertise to a wide range of applications. Our work supports the production of consumer products, hardware, and hunting equipment, delivering durability, precision, and performance in every molded component. No matter the complexity or scale of your product, our experienced team can deliver solutions that meet and exceed expectations.

Partner with Harbor Plastics

As a trusted provider of custom plastic injection molding services in Minnesota, Harbor Plastics takes pride in helping international clients achieve their product goals. Our blend of cutting-edge technology, skilled personnel, and responsive service makes us the go-to choice for businesses looking to streamline their manufacturing process without compromising on quality.

Contact Harbor Plastics today to learn more about how our plastic injection molding capabilities can support your next project.