... steel structure 2.Light weight structrul steel steel structure of sandwich panel 1. Item Name: steel structure warehouse/ workshop2. Steel Material ... ), then we will spray paint: 2 layer epoxy zinc rich primer and 2 layer antirust paint( total thickness: 100-120um); ... 50mm,75mm,100mm, 200mm), density, color, type, etc.b. Single color corrugated steel sheet( Steel Material: Aluminum- Zinc sheet):They ...