colorful stone coated metal types of roof tiles factory 1.long life span(30 years) 2.good appearance 3.energy efficient Colorful stone coated metal types of roof tiles factoryTypeBent tileConstruction0.4mm galvalume,vermiculites processed by high technology on surfaceSpecificationoverall length:1680mm,1335mm,1170mm,1340mmlength of cover:1620mm,1280mm,1080mm,width of cover:375mm,370m2,roof cover/ ...