The signal light single fork product is strictly checked and tested for strength and deformation in structural design. The product tube has two designs of octagonal and conical shapes, and various rod type designs (straight rod, single fork rod, double fork rod, long pick arm rod, etc.) to meet different setting requirements, and can also be oriented to the customer design rod. type. The surface of the pole is treated by hot-dip galvanizing or spray-molding. The thickness of hot-dip galvanizing is not less than 86 μm and the maximum wind resistance is 150 km/h.