Lapisan dari steel grating ini menggunakan jenis lapisan galvanis yang sudah teruji ketahanan lama penggunaannya. Banyak macam dan jenis daei ateel grating ini.It's easy to take care of and set up effortlessly. It's also a tricky content and didn't blow off from the wind if I did not have the metal on it immediately. I think it has aided to keep th