The surface of the stainless steel piston rod is treated with special grinding and hard chrome plating technology, and then polished with a mirror finish. It has wear-resistant and corrosion-resistant properties and is suitable for various types of cylinders, oil cylinders, piston rods, packaging, woodworking, textile, printing and dyeing machinery, die-casting machines, injection molding machines, and other machinery such as guide rods and top rods.