Online sales must first find the right customers. Most customers who invest in crude oil are over 35 years old and under 55 years old, so when looking for customers, you can find this group of people. This is QQ. After finding it, it depends on how you build trust and how you can identify whether you are a prospective customer. There are tutorials on this website. You can search them if you have time. There are also groups to find, such as: stock group, rider group and badminton exchange group. . . . Looking for high-end things. This requires clever chatting, starting from common interests, and letting others know that you are investing in this, not selling, so as to interest him. Eventually become a customer, QQ must have at least two. There is also a phone number plus WeChat, and then try your luck to see how many people are willing to talk to you, and it is to talk to you about crude oil. If you have nothing to do, you can look at the online forums, and it is best to participate. . . . . . In fact, the first one often comes suddenly, and there is no experience to talk about it.