... optical projectors, Mitutoyo fineness instruments for inspection, EDM, high speed CNC machine, Sodick wire EDM, etc. 3)Quality control equipments: roundness ... as requirements6)Material: carbon steel 45,20CrMnTi,40Mn,65Mn, Brass or as per your need7) Products range: Spur gear, Helical ... relationshipOur service:1. Your inquiry related to our products or price will be replied in 24 hours in workday. ...