... is prepainted , also known as precoated steel, coil coated steel, color coated steel etc.A galvanised steel sheet in form is cleaned, pretreated, ... the package is highly harmful.f. When unloading the steel sheet or steel coil, rubber cushion and lift must be adopted ... transportation ,otherwise they will move and cause scratch.j. When take out color coated steel sheets, do not pull. Otherwise, flash of ...