The 163 line usually refers to the international export line of China Internet service provider China Netcom. If you use the server with 163 lines in Los Angeles, there may be some advantages and considerations:

　　Low delay connecting mainland China:

　　The 163 line is the international export line of China Netcom, so using such a server in Los Angeles can provide a lower delay to connect to mainland China. This is important for applications and services that need to communicate quickly with Chinese users.

　　Applicable to business facing the Chinese market:

　　If your business is mainly for the Chinese market, the server using 163 lines can provide better network performance to ensure that users can get a better experience when visiting your website or application.

　　China's Internet access stability:

　　The 163 line is an important part of China's Internet. Using such a server can increase the connection stability with the Chinese Internet and reduce the possibility of access interruption.

　　Serving Chinese users' friendly service:

　　If the services you provide are important to Chinese users, then the server using 163 lines helps ensure that your service is accessible and stable in mainland China.

　　It should be noted that in addition to considering the line factors when selecting the server, other factors, such as server performance, data center facilities and service support. It is best to learn more about the specific characteristics and service conditions of the service provider before choosing.