1. In Guangshan County Housing and Urban-Rural Development Bureau official website query. On the website to find the "net signature record query" entrance, enter the relevant information, you can query the relevant record information.
2. In Guangshan County Real Estate Registration Center query. Go to the center, provide relevant housing information, the staff will help you query the relevant record information.
3. Query in the China Real Estate Registration Information Network. On this website, you can check the real estate registration information nationwide, including the net signature filing information of Guangshan County.
Please note that the specific query should be based on the relevant regulations and actual situation of each place. For more detailed information, it is recommended that you visit the relevant local departments.