Steel bar grating has two floor form: serrated surface and smooth surface. Serrated steel grating is product of serrated steel bars, which may be small carbon steel bars, aluminum steel bars and stainless steel bars. Untuk informasi harga terbaru anda bisa menghubungi customer care kami, anda juga bisa menanyakan biaya https://grating-steel-galvanized39481.jts-blog.com/29108999/jual-steel-grating-options