Zinc aluminum , GALVALUME (GL/AL-ZN) 1.ISO 9001:2008; 2.ENTITY FACTORY, ... 1. THE DETAILED INFORMATION OF PRODUCTSZinc aluminum , GALVALUME (GL/AL-ZN) NAMEGALVANIZED-GI HDGGALVALUME/ALUZINCPPGI/PPGLCORRUGATED&PLAIN STEEL PICTURE CERTIFICATE ... USE, ROOFING, COMMERCIAL USEGUTTERS, AUTO PARTS, ELECTRICAL APPLIANCES, VENDING MACHINES, REFRIGERATORS, OVENS, FOR PRE-PAINT. STRUCTURAL USE, ROOFING, COMMERCIAL ...