{HEAD ~ A hot/cold water inlet and outlet structure} for a ceramic core shaft of a single handled faucet, comprising a valve housing, a switch valve set, a valve mount, an upper switch valve, a lower switch valve, and a sealing ring wherein {TAIL ~ the valve housing} has a valve chamber disposed at the interior thereof for the switch valve set and the valve mount thereof to be adapted therein respectively; the present invention being characterized by that, 
{ HEAD ~ A hot / cold water inlet and outlet structure } for a ceramic core shaft of a single handled faucet , comprising a valve housing , a switch valve set , a valve mount , an upper switch valve , a lower switch valve , and a sealing ring wherein { TAIL ~ the valve housing } has a valve chamber disposed at the interior thereof for the switch valve set and the valve mount thereof to be adapted therein respectively ; the present invention being characterized by that ,
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH