Strong No Fade, No Peels, No Rust, Not Welded Structure Good Anti-theft, Assembled Install, Part Replaceable Customized Size SUPERMARKET SHELVESMaterial: A3 Steel with Top-Grade Cold-rolled Steel, as national standard model SS400The Column: The cold-Drawn Top-quality cold-rolled steel plate SS400 forming tube, Square tube section size is 70*40 (L*W), material thickness 2.5mm. one side by the ...