This hydraulic cylinder have three pressure grades: 7MPa，14MPa，21Mpa and its installation methods and dimensions are completely same as Japan JIS8354 standard hydraulic cylinder. It has compact structure, light weight and various installation method（thirteen kinds）and its accessories can be assembled, disassembled and repaired easily .Its advantages include light weight, excellent application range, high speed and long operating life etc.

　　They are widely used for equipment in light industry, textile, plastic, metallurgy, chemical industry, mine and walking machine etc.