Steel bar grating has two surface area kind: serrated surface area and smooth surface. Serrated steel grating is crafted from serrated steel bars, which may be small carbon steel bars, aluminum steel bars and stainless steel bars. Kabar gembiranya kita pun menjual Steel Grating buatan manual dengan ukuran khusus sesuai https://johnnywbaaa.p2blogs.com/29114703/a-secret-weapon-for-grating-steel-jual