... Becker.3.Shape:Upon on request ,including flat,arc,bow and other special shapes.4.Perforation: Different patterns as requirements ... 500mm(flat)Features1.Light weight,high strength and rigidity2.Excellent weather resistance and anti-corrosion3.Good processing capacity,able ... colors,good decoration effects5.Easy to be cleaned and maintained6.Easy and quick in installation7.Environmental-friendly,able to ...