galvanized corrugated roofing sheet,regular spangle, Full hard quality 0.15-0.6 in thickness ,width 750-1000mm(BC)/665-900mm(AC We are Shandong Zhongtian Composite Meterial Co., Ltd. We are manufactuer and exporter of the following product :1) Cold rolled steel coils, full hard quality or bright annealing . 0.15-1.5*750-1060mm*C2) Hot dipped galvanized steel coils , regular spangle,soft or hard ...