... PPGI(prepainted galvanized iron), GI(galvanized iron), Galvalume, stainless steel, Prinpia steel, aluminum foil, PVC, aluminum sheet and veneer. More ... experiencein the production and trade of GI&PPGI and Steel Sandwich Panels. Our company is an ISO9001& ISO14001 certified company ... and a member of China Steel, We will continue to blaze ...