Our accordion protective covers feature tight and rational structure, noiseless operation, large travel, fast movement, and long service life. They are widely used on general machine tools, CNC machine tools, hydraulic machinery, and other equipment. Our accordion cover equipment can be manufactured with steel support frames, wooden frames, PVC frames, cold-rolled steel frame accordion covers, etc., depending on the operating environment of the equipment. The internal structure of the accordion covers includes grooves, roller wheels, nylon sliding plates, sliding blocks, tension rods, tension springs, and nylon shafts.