Colored Steel CoilsPanit coating:polyester/perdurable polyester/epoxy etc. We are the big customer of China largest steel plate manufactories, namely, Shanghai Baosteel ... Co., Ltd., Tianjin Iron & Steel Co., Ltd., Taigang Group Linfen Iron & Steel Co., Ltd., SGIS Songshan Co., Ltd., Jiangsu ... gray,etc. Back color light grey grey white etc. Colored Steel Coils,PPGI, Prepainted