求翻译：目前质保期马上就要结束，两个泵站的设备运行正常，我方履行了合同义务，请贵方考虑给我方签发最终验收证书以及请求贵方银行归还履约保函。是什么意思？

The warranty period immediately come to an end, two pumping stations equipment is functioning properly, we fulfill the contractual obligations, please consider the final acceptance certificate issued to us and request your bank to return the performance bond.

At present the nature guarantees the time to have to end immediately, two pumping station equipment movements is normal, we have fulfilled the contract duty, please the expensive side consider signs and issues the finally approval certificate for us as well as requested the expensive side bank resto

Now the warranty is about to end, two pumping stations of the device is working properly, we fulfilled its contractual obligations, ask you to consider us to issue the final acceptance certificate and request your bank to return the performance guarantee.