The 5-Second Trick For plat timah hitam
Anti-slip steel grating is really a kind of bar grating. Steel bar grating is manufactured in a variety of methods. Welded bar grating is made of load bars electrically fuse welded to cross bars.Grating plate biasanya memiliki permukaan bergerigi atau bertalang untuk meningkatkan daya cengkram dan mengurangi risiko selip.Baja yang digunakan dalam g