如何高质量跟进客户？

客户不回复只有2种情况：

第一种：未读未回 （有当天注册的询盘--不过我的老客户跟我说过也有是他注册了2个账户）第二种：已读已回Looking forward to your kindly reply第二封：给客户发了报价后客户已读不回Thank you very much for your kind patience which very help for us to confirm the product detailed of our dashcam product and i also sent you the PI/order through alibaba for confirmation.