HSH has the largest automatic coating line in Sichuan province .
All steel structure are pretreated with shot blast and rust moval to guaranted the material can meet the international standard: Sa2.5.
The rivet welded steel was treated by the second time shot blasting , rust and besmirch removal in order to ensure a clean workpiece surface and increase the film's adhesion of the paint.
The surface painting is with expoxy primer paint and weatherproofing PU top finish.
