[About Royal Kiln] Royal Kiln has both narrow meaning and broad meaning. Narrowly, it means the royal kiln in Song Dynasty. The royal kiln at that time was mainly used for making imperial porcelains. It’s recorded that royal kiln in Song Dynasty was technically divided into “Beisong Royal Kiln" and “Nansong Royal Kiln”. In this sense, the special porcelain system at that time determined its users-----Only emperor and his royalty. The special users also decided product's particularity-----elegant quality, royal ware shape. Broadly, it means the general term of imperial or royal porcelains, not one or two and above kilns.