Steel bar grating has two floor form: serrated surface and clean area. Serrated steel grating is product of serrated steel bars, which may be lower carbon steel bars, aluminum steel bars and stainless steel bars. Kabar gembiranya kita pun menjual Steel Grating buatan guide dengan ukuran khusus sesuai permintaan proyek https://johnathanklldc.blog2freedom.com/29764309/not-known-details-about-jual-grating-bekas