You can find the door and window maintenance services on the following platforms:

1. 58 Same city: There are many businesses providing door and window maintenance services, which can be filtered according to regions and service types.

2. Meituan: Besides catering services, there are also door and window maintenance services, which can be selected according to regions and service types.

3. Didi Chuxing: In addition to taxi service, there are also housekeeping services, including door and window maintenance services.

4. Home Network: a platform dedicated to home service, providing services such as door and window maintenance and installation.

5. Wheel gang: provide housekeeping services, including door and window maintenance and installation services.

The above platforms are for reference only, and the specific choice can be made according to your own needs and actual situation.