Northeast China: Harbin Institute of Technology, Shenyang University, Shenyang University of Technology, Dalian Jiaotong University, Harbin Huade College.
Southeast coastal areas: Nanjing Institute of Technology, Jiangsu University of Science and Technology, Shanghai University of Engineering Science.
Central South: Chongqing University of Technology, Taiyuan University of Science and Technology, Xiangtan University, Nanchang Hangkong University.
One's deceased father grind subjects of welding technology and engineering are as follows: