Taxi drivers in Taiyuan may know about door-to-door service, but it depends on whether the service you describe is within the service scope of Taiyuan taxi company.

Generally speaking, if your needs involve catering, hotels, tourism and other services, then taxi drivers may provide some on-site services. However, if other types of services are needed, such as legal consultation and medical diagnosis, they may need to be solved through other channels.

Therefore, it is suggested that you first understand the service scope and regulations of Taiyuan taxi company, and then determine whether you can provide on-site service through taxi drivers.