1. First, you can contact the developer or seller of Zhengzhou Tihe Jiayuan to find out the delivery progress of the project and ask the other party to provide a clear delivery schedule or explain the reasons for the delay.

2. Secondly, carefully check the purchase contract signed with Zhengzhou Tihe Jiayuan developer to confirm the delivery time. The contract clearly stipulates the delivery time, and if the developer fails to perform it on time, it may require the developer to perform the contract accordingly.

3. Finally, communication with Zhengzhou Tihe Jiayuan developers was fruitless. We can seek legal channels to safeguard our rights and interests, consult lawyers, understand our legal rights and feasible ways to safeguard rights, and force developers to perform contracts by suing and demanding compensation.