Ground Screws are made from low carbon Q235 steel pipe. The surface treat is hot dipped galvanized. Ground screw is also named as pole anchor, or galvanized ground screw pole anchor, or ground post anchor. It's mainly used in fixing solar mounting brackets or other building. Our factory is located in Hebei province. If you are interest in our ground screw, you are warmly welcomed to visit our factory, and hope to be your business partner in the future.