At the moment, there are 3 honing machines. The Sunnen HTC-6300W CNC machine can honing precision holes ø 55-340 mm with an outer diameter of 60-400 mm. The working depth on this machine can reach 6000 mm. Due to the design of the reciprocating movement mechanism, a more accurate positioning of the tool is provided. This allows for efficient processing of blind holes. Semi-automatic honing machines are capable of processing holes from 69-242 mm to a depth of 2794 mm.