Suzhou Dingzheng Blue Pigeon Snack Training Center. The training center trains a variety of braised dishes, with exquisite technology, clean and tidy environment and good service attitude towards students. Suzhou, referred to as "Su" for short, was called Gusu and Pingjiang in ancient times. It is a prefecture-level city under the jurisdiction of Jiangsu Province and one of the important central cities in the Yangtze River Delta determined by the State Council.