... 4.Zn40~120g/m2 SHANDONG BOXING HUIDE IRON & STEEL CO.,LTD. , a professional manufacture for hot-dip galvanized steel coil/sheet ... , sandwich panel, C/Z section steel sincere 1993 with a great reputation. Has our own GI, PPGI, corrugated iron sheet, ... +86-15966396819Skyp: tracysunxinjiasteelAdd: BOXING INDUSTRIAL PARK, SHANDONG PROVINCE,CHINA. Facrtory & Great Technology prepainted steel coil(sheet)