1.Factory, GB/TI9001-2008/ISO9001:2008 standard 2.BV certification & SGS report 3.good quality,competitive price,first service GI : Galvanized steel coils 1. goods' information & usedGalvanized steel is hot or cold-rolled strip steel belt of substrates, through continuous hot-dip galvanizin process.It is good in corrosion resistance,high in surface quality, convenient in deep-processing,low cost. ...