Our company could make many other type hydraulic cylinders according to customer's special need,Website:http://www.thshydraulic.com, for example hydraulic jack, fitness equipment cylinder, food machinery cylinder.Packaging & DeliveryPackaging Details:wrapping film+plywood case or as per customers' standardDelivery Detail:20-40 daysProduct DescriptionMaterial: Piston: high quality nodular iron or 45# steel Tube: 20# - 45# steel Piston rod: chrome plated 45# steel or 40Gr Cylinder cap: high quality nodular iron or 45# steel Cylinder base: 20# - 35# steel Seal ring: famous Chinese brand or imported oversea brand PARAMETERMax.Cylinder Bore 280mmMin.Cylinder Bore 10mmMax.Piston Rod Dia. 280mmMin.Piston Rod Dia. 10mmMax.Retract Length 3500mmMin.Retract Length 50mmMax.Stretch Length Single stage cylinder 6500mmDual stage cylinder 12500mmMin.Stretch Length 60mmMax.Working Pressure 4500PSIMin.Working Pressure 1000PSIWorking Pressure of Heavy-duty Cylinder 7500PSI