... Delivery:7-30days 4.Availability:20,000tons/year TypeW-- welded steel grating L-- pressure-locked C-- socket-weldingBearing bar centers15-30 ... products most commonly used for Belt corridor, storage shelf,Attic panel, trestle, guardrail, sunshade gate, etc. Notes: common welding standard: ... . 4. If any enquiries, please contact us. industrial floor grating,steel frame lattice,platform floor galvanized ...