Deng Jianjun (2nd L) talks about technical issues with the members of his research team in Changzhou, east China's Jiangsu Province, Dec. 1, 2017. Deng Jianjun, a delegate to the 19th National Congress of the Communist Party of China, is the technical director of Black Peony (Group) Co., Ltd, he advocated combination of vocational education and in-service training to build a high-quality talent group. (Xinhua/Ji Chunpeng)