... full CE certificate ISO9001-2003 certificate A : Brass foot valve B: Brass foot valve size is from 1/2" ~ 4" we ... also could produce another style brass ball valve , like brass body , iron or brass ball , brass or ... ! all the details pls check our website www dot huada-valve dot com , if you have yourself style , ok ,no ... certificate we passed CE ,welcome your cooperation ! brass foot valve