... Certificate: ISO9000 Standard: ASTM A792, JIS G3302, BS, GB, TIN, Chinese standard, factory standard, etc. Material: Hard, full hard, soft, etc ... IntroductionHualu Steel Co. Ltd Boxing County Shandong Province was held in 2003, we have some produce lines, one for galvanized ... steel sheet in coil, second for galvalume steel sheet in coil, third for color prepainted steel ...