... .High quality 2.ISO6431/VDMA24562/DIN24335 standard 3.Parker seals/CNC piston Features:*DNCseries are with similar Festo DNC apperance, with ... better quality control. The cylinder end covers and piston are CNC machined, and important seals are from Parker, to guarantee the ... safly. Pneumatic Cylinders,cylinder,Standard Cylinders,Compact Cylinders,Stainless Steel Mini Cylinders ,Aluminum Alloy ...