Our company series of pultruded grating is made by a particular assembly process,which using"I" and "T"shape as its main load-bearing part and using special rod to go through the bearing bar.custom grating can be designed to meet customer's requirement or special using condition by changing the shape,size and space of the bearing bars,the surface can be covered with lozenge panel,grit panel, or added the anti-slippery sand directly.