Power Feed Contact Upper & Lower supplier

WEDM Power Feed Contact Upper & Lower supplier is the mainstream product supplies WEDM, is one of the essential accesspries of wire cuttting EDM. But what is the WEDMPower Feed Contact Upper & Lower? What role does it have? EDM supplies a friend may understand, but the other may not know, do not know the broad application of WEDM power feed contact too. WEDM Power Feed Contact Upper & Lower in fact is to play the role of conductivity, it is made of hard alloy, by the tungsten