A. Strangely enough, it is. Although it may contain some bone-ash used to brighten or strengthen the china, the process itself removes any non-Kosher elements. This is only in regard to newly purchased china. Koshering china previously used with non-kosher is a different, complicated matter. Ideally it would have to be returned to the kiln, and they don’t all make it through that process. There are some exceptions, best to discuss with the Rabbi helping you kosher the kitchen.