Proudly engineered and manufactured across North America, jinding Stretch Film delivers precision and performance you can trust.

Stretch Film Education and Packaging Performance Optimization

Excellence through innovation, education, and creative stretch film packaging solutions.

Packworx is Sigma Stretch Film’s educational hands-on training program designed to help distributors and sales professionals build a strong foundation in stretch film performance and packaging best practices.

Through a combination of classroom instruction and practical, in-lab experience, participants learn stretch film manufacturing fundamentals, packaging science, and Sigma’s industry-leading Rite-Gauging® methodology. Training concludes with guided, hands-on wrapping trials in a state-of-the-art packaging lab, allowing attendees to apply concepts immediately and evaluate real-world load performance.

Learn the fundamentals that actually matter.

Build a clear understanding of stretch film performance, packaging science, and manufacturing basics—so decisions are based on how loads behave in the real world, not assumptions.

Engage in hands-on learning with certified packaging experts.

Why choose Packworx?

Reinforce learning through hands-on wrapping trials in a state-of-the-art lab, connecting classroom concepts directly to real loads, equipment, and applications.
Experience interactive, hands-on learning with our Certified Packaging Engineers in the Packworx lab. Tackle challenging packaging issues confidently and efficiently—transforming complex problems into simple solutions!

Apply knowledge in a real packaging environment.

Assessment Brochure
Download our free literature now.

Ready to level up your packaging knowledge?

Training Brochure
One Page Brochure