客户已读不回，怎么跟进？

客户已读不回，怎么有效跟进?寒暄问原因

▼Could you let me know if you are interested in our products?能否向我透露一下您是否对我司产品抱有兴趣呢?

Could you please tell us the specific reason why you did not reply to the message? Is it because of the price issue or have other suppliers considered it?

能否请您告知未回复消息的具体原因，是因为价格问题，还是已有其他供应商考虑?

▼lf you are not interested in this, please let me know, I will avoid disturbing you!

假如您对这个不感兴趣，请告知我一声，我会避免打扰您的!

May I ask if there is any condition for me to know the reason?能否请问一下，是否有条件让我了解下原因？