... steel 3. Stage: 2. 3 or 4 stages Hydraulic Cylinder:We are capable of making various types of cylinders according ... and mining machinery and engineering vehicles. Material of the hydraulic cylinder:Seal type: Parker,Nok, Busak, Shamban,Hallite or in accordance ... ,precision honed for extended seal life. Delivery of the hydraulic cylinder:Delivery our goods up on customer's needing, by sea ...