1, Double column 2, Gas-cooling without pollution 3, ISO9001:2008 4, higher efficiency cnc mental metal grooverCNC keyway planer is also called planer lathe, cnc mental metal groover, grooving machine, stainless steel V groover, metal groover lathe, which is mainly used for making groover in steel sheet. Then it is convenient for steel sheet bending.This machine is used in metal steel industry ...