It adopts screw-in or direct rolling connection structure in end cover and cylinder body, with lightweight, small dimension, and handsome appearance. It adopts new seal material with automatic compensation for seal abrasion. There are various installation types for your choice. Also, our new website provides detailed information including drawings, pictures, parameters, and so on for all hundreds of products(cylinders, solenoid valves, gas springs, FRL, fitting, etc.), very conveninet. website: , and youll get what you want! please feel free to contact us.