all
an improved ceramic valve core may 30, 2012
a constant temperature water mixing valve core with front sealed ceramic water inlet switch, april 6, 2011
a ceramic valve core 2010.11.17
thermostatic water control valve august 11, 2010
cold and hot water synchronous switch thermostatic water mixer april 16, 2008
pct international invention patent application form
a switching valve core on thermostatic faucet december 12, 2007
a switching valve core for thermostatic faucet 2007.12.12
a ceramic reversing valve core 2007.10.3
a new type of faucet september 26, 2007
water mixer (faucet) november 1, 2006