Maimin round knife cutting machines are 100% US Made, using today%u2019s most advanced components and the latest manufacturing techniques. The Model 59 Cyclone is our most powerful and durable machine. This machine has been engineered to cut the toughest, hardest and densest materials with ease. The Model 59 Cyclone pictured above shows the optional lubricating system and optional slitter standard. These options are available on any round knife machine.