*MASA manufacture wide range of Cylinders accoridng to specific request form customers.*Raw material used the brand of Mistubishi from Japan.*Special lathe Machine, high speed CNC milling machine and automatic cutting consist of our production base.*Tolerance of circularity and horizontal of cylinder is controlled within +or_0.02mm*Cylinder sie: Min.6 inches up to max.63 inches.*Cylinder Gauge:Min.3G upto Max. 36G