Abstract：Buyers can communicate with companies in the following 5 ways: 1. Instant messaging in exhibitor shops; 2. Communicate with participating audio and video conferences; 3. The contact page of the enterprise store, telephone or email communication;

Buyers can communicate with companies in the following 5 ways:

1. Instant messaging in exhibitor shops;

2. Communicate with participating audio and video conferences;

3. The contact page of the enterprise store, telephone or email communication;

4. Exhibitors will leave a message online, waiting for the exhibitor's reply;

5. Send an inquiry on the exhibit product page and wait for the exhibitor's reply.