1. sales skills: sales skills are the basic abilities that salespeople must have. Sales course training should include skills such as how to establish a good relationship with customers, how to understand customers' needs, how to answer customers' questions and how to deal with customers' rebuttals.
2. Product knowledge: Sales staff need to know the characteristics, advantages, functions and uses of products, so as to introduce and explain customers clearly and accurately.
3. Market analysis: Sales staff need to understand the market demand and trends in order to formulate appropriate sales strategies for different customer groups.
4. Sales process: Sales course training should include a comprehensive introduction to the sales process, including pre-sales market research, customer development, sales negotiation and after-sales service.
5. Communication skills: Sales staff need to have good communication skills, including language expression, persuasion and listening skills, in order to better communicate with customers.