The ground screw is mainly composed of three parts: hot forging tube body, spiral sheet and connecting flange. The spiral sheet and flange are welded on the tube body, and then the whole hot-dip galvanized treatment.
The ground screw is mainly composed of three parts: hot forging tube body, spiral sheet and connecting flange. The spiral sheet and flange are welded on the tube body, and then the whole hot-dip galvanized treatment.