Is the property marked on the owner's telephone door?

The property has no sign on the owner's telephone door. According to relevant public information, when the property contacts the owner through the owner's special mailbox or other communication methods, there is no telephone sign on the door of the owner. Owners can check their own special e-mail number and password in the property service center or property management office, or obtain relevant information through the website of the property company, WeChat official account and other channels.