1. steel plate used in the ditch cover sidewalks, roadways, courtyard or building ground cover, as ditch, ditch, underground pipeline channel, shaft, light wells and inspection wells etc..
2. The steel grid plate groove cover is usually composed of fixed frame and active steel plate cover plate. It can also be made by the customer to make the frame, and the manufacturer provides the cover plate.
3. The cover of the steel lattice plate is used in the well, the hole, the hole and the human hole in the rain and water wells, the lower water wells and the sewage wells of the municipal facilities such as the road and the park.