Is there a merchant in Haikou who can install an anti-theft net without tearing down the original door?

1. Search the local yellow pages, classified information websites or social media platforms for relevant information, such as keywords such as "Anti-theft net installed in Haikou City" and "The original door in Haikou City will not be dismantled and installed" to see if there is any related business.

2. Ask your friends, neighbors or colleagues if they have any experience in installing the original door without removing the security net, and they will give you some useful reference.

3. Find relevant businesses in the local building materials market or home improvement market, and these businesses will provide sales and installation services for products such as doors and windows and anti-theft nets.