1Light weight,great load-bearing capacity,non-slip and safe, 2 easy installation,sturdy and durable, ventilated Steel Grating /Steel grid 1) Light weight, great load-bearing capacity, non-slip and safe, easy installation, being economical of materials, being sturdy and durable, ventilated, easy to clean and attractive appearance.2) steel grating are widely used by various plants such as: electric ...