Karenan memiliki ketahanan yang sangat kuat Grating sering digunakan dalam proyek – proyek industri maupun kontruksi bangunan besar.Tension-locked bar grating, or swaged grating, is where by steel rods are forced by and locked in load bars. Riveted bar grating is where the load bars are riveted to your cross bars. You can find wide kinds of trade