https://www.cumic.com/products/pre-painted-galvanized-steel-coil/ OVERVIEW OF PRE-PAINTED GALVANIZED STEEL COIL Also known as pre-coated steel, coil coated steel, color coated steel coil, etc., pre-painted galvanized steel coil (PPGI) with reasonable price is even covered with a layer of zinc. The zinc coating provides the steel with a layer of anodic protection, which is able to prolong the product's service life.All Rights Reserved