On May 30, 2021, the company and Shanghai Jiaotong University successfully held the fifth phase of corporate management training in 2021---"Key Account Sales Strategy and Negotiation Skills", all of the sales department (domestic sales department, foreign trade department) and supply department Personnel participate in training.

Lecturer: Cao Hengshan, Special Lecturer of Shanghai Jiaotong University; Chinese practical marketing training expert; 9 years of first-line sales and management and multiple entrepreneurial experiences; 15 years of teaching, serving as a number of corporate management consultants and team coaches; senior registered trainer in China ; National Level 2 Psychological Counselor; National Outstanding Young Economic and Management Writer. Major works: "Negotiating with Major Clients", "Sister Lin's Promotion", "Rejection of Enjoyment", "Who Understands Customers Who Takes Orders", "Sale is Right", "Am I Suitable for Sales", "Fish Pond" Marketing" and so on.