piston type hydraulic cylinder Certificate by CCS, BV, GL, Lloyds, DNV, etc. Standard or Nonstandard :Standard Structure :Pi piston type hydraulic ... Pressure from 70 to 700 BarSeal type: UN or in accordance with clients requirementMaterial of cylinder liner: copper (prolongs the ... by ourselves.And we can produce the power of cylinder too.For more detail information please contact with our ...