由我公司承建的工程后续服务，严格按照合同履约，定期回访、保修。

I company by their engineering follow-up service, strictly according to contract performance, visit, warranty.

youdao

由我公司承建的工程后续服务，严格按照合同履约，定期回访、保修。

I company by their engineering follow-up service, strictly according to contract performance, visit, warranty.

youdao