Nanjing Jincheng Training School. According to official website information of Nanjing Jincheng Training School, the school can sign up for the training course of planting and breeding technology free of charge, with professional teachers leading the practice. Nanjing, referred to as Ning for short, is the capital of Jiangsu Province, a sub-provincial city, the political, economic, scientific, educational and cultural center of the whole province, and the first batch of famous historical and cultural cities in China and national key scenic tourist cities in the State Council.