Leadership
Guillermo Wong
Industrial mechanical engineer · Founder of GSI Rollformers & Machinery
More than 27 years in the sheet roll forming industry. His first standing seam machine, over 17 years ago, was a turning point—a design so solid that 20 units sold in the first year. Since then, GSI Metal Forming has become a reference for rollformer manufacturing in Mexico.
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Designs built worldwide
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Patents driven by his leadership
MX & US
We now manufacture in Mexico and the United States
The vision blends high-standard technology and components with on-floor quality and durability, leading engineers specialized in high-performance custom machines.