... precision,exquisite,natural harmony, elegant style.Application: widely applied to underground, urban construction, port, theatre, and other places ... capacity.TypeW-- welded steel grating L-- pressure-locked C-- socket-weldingBearing bar centers15-30, 40, 60, 80, 90 ... common welding standard: single-side full welding every 3 bearing bars. Socket-welding steel grating,hand welding steel grating,steel ...