... the force of 600kg.SS400 with top-quality cold-rolled material thickness 0.8mm, the bottom of the welding ribs, ... High Security and StrongDIY AssemblyCustomized Size XINGUAN’s Features:1 Material used is galvanized seamless steel, STRONG AND SAFE, NO BEND ... at high temperature, to give extra protection against Rust, Corrosion2 Zinc Phosphate: To Promote The Adhesion Between the steel and Coated Film3 ...