Is twelve Yan Zhai Qian an official kiln?

Yes Twelve Yan Zhai porcelain is a kind of imperial kiln in Ming Dynasty, also called "official kiln", so the models of Twelve Yan Zhai are all official kilns. The official kilns were specially made for the court by some kilns in Song Gaozong during the Southern Song Dynasty, and were commonly known as "official kilns" at that time. The official kiln was first located in Maogong Cave (now Yangzhou, Jiangsu). The official kiln porcelain of the Southern Song Dynasty follows the style of the Northern Song Dynasty, with regular symmetry, court momentum, elegant atmosphere and meticulous.