... dealing with raw materail such as PPGI GI SS steel. coil plate tube etc. Quality is the very root for the company to ... and frames. Standard: AISI, ASTM, BS, DIN, GB, JISGrade: SGCH,SGCC, DX51D,Q195Thickness: 0.10mm-3.0mmPlace of Origin: shanghai China ... hard half hard Zinc coating: About 60g-180g/m2Technique: hot rolled and cold rolled AISI, ASTM, BS, DIN, GB, JIS Galvanized steel coil