No lubrication: the use of oil bearing, so that the piston rod without refueling lubrication; Buffering: in addition to the fixed buffer, the cylinder terminal also with adjustable buffer, so that the cylinder reversing smooth without impact; High temperature resistance: high temperature resistant sealing materials can be used to make the cylinder work normally at 150℃ high temperature (need to be customized); Various installation types: a variety of installation accessories for choice; Magnetic: The piston is equipped with a permanent magnet.