China Yuxiangyuan Catering Technology Training School. Nanjing, referred to as "Ning" for short, was called Jinling and Jiankang in ancient times, the capital of Jiangsu. Nanjing learned to cook braised sheep's head in China Yuxiangyuan Catering Technology Training School. The teaching is rich and varied, and it is trained by professional chefs. Nanjing is the capital of Jiangsu, a sub-provincial city, a megacity and the core city of Nanjing metropolitan area.