Steel bar grating has two area sort: serrated surface and smooth surface. Serrated steel grating is manufactured from serrated steel bars, which may be very low carbon steel bars, aluminum steel bars and stainless steel bars. Itulah beberapa element yang perlu diketahui sebelum membeli steel grating. Kita juga menerima pesanan https://grating-steel-galvanized04826.blog2freedom.com/29761224/the-best-side-of-jual-grating-bekas