steel open 30 or 45 chute, slotted rod steel slotted lock molding press. Depending on the distance required to hand over the other specifications of the grid plate, you can use ordinary carbon steel, stainless steel, aluminum and other materials.
4, Heavy-duty grating: high steel and flat steel crossbar bite each other, at 1200 tons of clamping pressure molding. Suitable for high bearing loads span occasion.