Steel bar grating has two surface sort: serrated floor and sleek area. Serrated steel grating is fabricated from serrated steel bars, which may be lower carbon steel bars, aluminum steel bars and stainless steel bars. Steel grating adalah sejenis baja terbuka dengan bantalan bar dan palang silang yang disatukan den... https://harga-steel-grating84260.blog2news.com/30318357/the-jual-grating-galvanis-diaries