PPGI is pre-painted galvanized steel, also known as pre-coated steel, color coated steel etc. Using Hot Dip Galvanized Steel Coil as the substrate, PPGI is made by first going through surface pretreatment, then the coating of one or more layers of liquid coating by roll coating, and finally baking and cooling.

Color coated coils are mainly used in building, transport, home appliances, solar energy, furniture. 

Especially in home appliances, the sheets are mainly used as the side door plate of  refrigerators,and air conditioners, freezers, and washing machine. Using galvanized sheets or galvalume sheet as the substrate, color coated sheet is made by first going through surface pretreatment, then coating for one or more layers, and funally baking and cooling.