Steel bar grating has two surface kind: serrated surface area and easy surface area. Serrated steel grating is manufactured from serrated steel bars, which may be very low carbon steel bars, aluminum steel bars and stainless steel bars. Grating Polos: Grating jenis ini memiliki permukaan datar dan umumnya digunakan dalam https://jual-steel-grating16047.mdkblog.com/35446764/the-jual-grating-bekas-diaries