Customers in all industries need maintenance, which is very important for education and training institutions. How to maintain it is a problem. Interact with customers often, brush your face in front of them and let them get familiar with you. If there are too many customers and it is too much trouble to maintain one by one, you can directly try the intimate group sending function of (Rhett's assistant). Its function of sending messages through group addresses can make customers feel friendly, thus maintaining the relationship with customers. I hope my answer can help you.