Sealing ring is wear-resistant, good sealing, strong sealing is not easy to leak. Aluminium alloy cylinder body, special craft fine polishing processing, corrosion and oxidation resistance is stronger. Double-thickness chrome plating, high hardness, to ensure that the cylinder is not easy to deformation, air leakage. With Self-Lubricating Bearing, The Piston Rod Is Lubrication Free. It Is Widely Applied To The Automatic Equipment In Light Industry, Chemical Industry, Textile Industry, Electronic And Machinery Industry., Manufacturer: CCZRD