... the platform, corridor, bridge, well covers, stairs, fencing for petroleum, chemical, power plant, waste treatment plant, civil engineering ... or according to your requirement4.General panel length:5800mm,6000mm,6100mm5.General panel width:1000mm,1100mm6.Finished:untreated,painted ... have got ISO9001 Quality Certificate.common specification: PVC coated after galvanized plain bar steel grating (HT-GG-003)