3-A Sanitary Standards, Inc. has revoked the 3-A Symbol license for certain models of ball-type valves manufactured by Chiang Sung Enterprise Co., Ltd. Voluntary use of the 3-A Symbol on dairy and food equipment assures processors that equipment meets sanitary standards. Read more here, or contact Allen Sayler, IDFA vice president, at asayler@idfa.org or (202) 220-3544.