... Aluminum casting cylinder used for Industrial Clutch ,they were used to many areas of industry, covered Metalforming, Mining, Material handling, Oilfields ... etc.5. Weight Range: 0.5kg-200kg;6. Precipitation treated; Solution treated and stabilized; fully heat treated7. Sand blast, polish, powder ... . More than 20 customers all over the world;2. Exporting to U.S.A, U.K., Germany, Italy, Japan, Swiss, ...