jual steel grating Secrets
Kebanyakan steel grating memiliki permukaan bergerigi atau bertalang, yang membantu mencegah selip dan meningkatkan daya cengkram.British Standards stipulate that the peak difference between the 2 sections of flooring joined collectively ought to be no more than 4mm, or any hole between 2 sections needs to be no bigger than 20mm.Grating AIS memilik