Steel bar grating has two area sort: serrated area and easy surface area. Serrated steel grating is made of serrated steel bars, which may be low carbon steel bars, aluminum steel bars and stainless steel bars. one. Steel Grating dengan thirty mm bearing bar pitch sering digunakan untuk keperluan place https://jual-grating-galvanis94836.uzblog.net/jual-grating-bekas-options-43908028