Steel bar grating has two surface type: serrated surface area and smooth floor. Serrated steel grating is made from serrated steel bars, which may be low carbon steel bars, aluminum steel bars and stainless steel bars. Apa itu steel grating ? Steel grating adalah sejenis baja dapat berbentuk kotak-kotak dan https://cruzaffee.dm-blog.com/29837413/the-jual-grating-galvanis-diaries