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Rotational Molding Design: Four Special Requirements
Rotomolding is Replacing Metal Parts with Plastics
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Rotomolded Parts: Decoration and Finishing
Molded-In Inserts and Rotational Molding
Rotational Molding Design: Blind Holes, Through Holes, and Undercut Holes
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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

Rotational Molding Design: Four Special Requirements

July 30th, 2018

Rotational molding produces strong, hollow plastic parts in a variety of shapes and sizes. For best [...]

Rotomolding is Replacing Metal Parts with Plastics

June 25th, 2018

Rotational molding (rotomolding) is replacing metal parts with plastic ones in many industrial, comm[...]

Heavy Gauge Thermoforming Design Considerations

May 29th, 2018

Heavy gauge thermoforming turns thick plastic sheets into extremely durable parts. Applications incl[...]

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