1. Implement JIS standards;2. The cylinder block and the front and rear covers are fixed with C-shaped buckles, and the piston and piston rod adopt a riveted structure, which is compact and reliable;3. The inner diameter of the cylinder is honed to ensure good wear resistance and durability;4. The front cover guide distance is lengthened and the guide performance is good;5. Compact structure can effectively save installation space;6. There are sensor slots around the cylinder, making it easy to install sensors;7. Various specifications of installation accessories are available;