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Reinforcing Ribs and Rotational Molding Design
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About Us

Gregstrom Corporation is a custom rotational molder and heavy gauge thermoformer that adds value to your projects.

For nearly 70 years, Gregstrom Corporation has been building lasting relationships with partners in industries like yours.

As a third-generation, family-owned business, our American-owned company stakes its reputation on a commitment to quality, customer service, and continuous improvement.

Featured Projects

Heineken Draught Keg Cooler

August 10th, 2015

Refrigerated POP displays like this Heineken draught keg cooler need to be functional and attractive[...]

Plastic Chemical Feeder | Rotational Molding Services

August 10th, 2015

Chemical feeders prepare and automatically dispense the chlorine that’s used to disinfect municipal [...]

Medical Laser Assembly | Pressure Forming Services

August 9th, 2015

Medical laser assemblies need to meet multiple requirements. For this featured project, Gregstrom ap[...]

Portfolio

Plastic Chemical Feeder | Rotational Molding Services

August 10th, 2015

Chemical feeders prepare and automatically dispense the chlorine that’s used to disinfect municipal [...]

Medical Laser Assembly | Pressure Forming Services

August 9th, 2015

Medical laser assemblies need to meet multiple requirements. For this featured project, Gregstrom ap[...]

3D Printer Housing | Rotational Molding Services

August 8th, 2015

Gregstrom is a custom rotomolder with complete assembly and testing services. Our portfolio of proje[...]

Blog

Reinforcing Ribs and Rotational Molding Design

July 27th, 2017

Rotational molding design is an essential part of rotational molding, a plastics manufacturing proce[...]

Wall Thickness and Rotational Molding Design

June 27th, 2017

Rotational molding design requires close attention to more than just functional requirements, materi[...]

Rotational Molding Design: An Overview

May 25th, 2017

Rotational molding design is an important part of rotational molding, a manufacturing method for pro[...]

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