A unique combination of technology, data, and experience to launch molds at T0 Learn More Learn from the comfort of home with our new, interactive online training courses led by industry experts. Upcoming Online Training New: ONLINE Training Courses Upcoming Webinars Covid-19 You and your health are our top priority, so we are taking all necessary measures to ensure your safety during the COVID-19 outbreak. As we face these times of uncertainty, we can still be certain that our unprecedented support and commitment to you will not waver. COVID-19 Info Training Information COVID-19 Update October 27, 2020 Update
All classes at our Traverse City, MI facility from August 31st, 2020 through December 31st, 2020 are cancelled in order to help protect our onsite staff. Classes will resume at our Traverse City facility beginning in 2021
Don’t Take Our Word for It Learn More See what our customers had to say about working with us.

Award-Winning Training and Technology for Injection Molding

RJG provides comprehensive tools and award-winning training that allow molders to implement scientific molding techniques and improve molding quality, productivity, and profitability. Our unprecedented support and technology can eliminate even the most frustrating molding challenges.

Transform Your…


Trained staff improve product quality, efficiency, morale, and turnover. Our global in-person and online training courses are led by industry experts with real-world injection molding experience.


More efficient processes with less scrap and less downtime means lower cost and better quality. Our full-service, custom technology solutions are built to solve the challenges you face every day.


Gain a competitive advantage through the industry’s latest monitoring software while reducing waste and improving your bottom line. Automated job audit reports and advanced analytics make it easy to know how your facility is performing.

Design and Tool Launch

Reduce waste from art to part with streamlined tool launches so you can start making good parts from the first shot. Or harness our consultants’ expertise to fix ongoing challenges in already established processes.


7 Ways to Lower Plastic Injection Molding Costs

7 Ways to Lower Plastic Injection Molding Costs

Injection molding is a cost-effective way to produce parts, but there is often a significant amount of waste involved, from inefficiencies to user errors, machine damage and downtime, high scrap rates, and more. Here are 7 ways to lower your injection molding costs so you can improve your bottom line.

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How to Prevent and Troubleshoot Short Shots

How to Prevent and Troubleshoot Short Shots

Short shots are among the most common and visually obvious quality issues most molders face. So what causes them? How can we prevent them? And how do we troubleshoot them when they do occur? A short shot is when a plastic injection molded part does not completely fill out—a portion of it is missing. A few issues can cause short shots, and the fix is not always straight forward.

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