Which kiln mouth is the bottom of Jingdezhen kiln?

At the bottom of Jingdezhen kiln is Longquan kiln mouth. The famous kilns in Jingdezhen are: Chunyu Xiangyu, Xiaoya, Jiuduanshao, Ning Feng Kiln and Fangjiashan Firewood Kiln, among which Chunyu Xiangyu is the most expensive, and the bottom of Jingdezhen Firewood Kiln is Longquan Kiln. Jingdezhen Chai Kiln is the official kiln where the five dynasties and ten kingdoms emperors fired porcelain. According to records, Chai Kiln was built in the early years of Xiande in the Five Dynasties and was named after Chai Rong, Zhou Shizong. It is a famous imperial kiln in history and the only porcelain kiln named after the monarch in China.