Sandwich panels and color steel sheets are two of the most widely used enclosure materials in modern steel structure buildings. Although both use color steel sheets as the surface layer, they differ fundamentally in their structural form: color steel sheets are single-layer metal sheets, while sandw

Dear Valued Customers,We are delighted to announce that Yumisteel will participate in CONSTRUEXPO El Salvador 2026，the leading international construction exhibition in Central America. We sincerely invite you to visit our booth to explore our premium construction solutions and discuss cooperation op