To apply for an express tunnel, you need to pass Entreprise Authentication. For physical express tunnels, the user is responsible for coordinating the service provider to connect the line to the engine room of Baidu AI Cloud. You can contact the service provider in [Cloud Market](https://cloud.baidu.com/market/list/102? cid=102008) or introduce the line service provider by yourselves. The line fee is settled directly by you and the service provider.

Note: The line service providers shall have related qualifications and meet the requirements of policies and regulations.

If the existing lines are not used for construction of express tunnels and new lines need to be connected with Baidu AI Cloud, Baidu AI Cloud needs to charge users initial installation fee and port resource occupancy fee.The specific fees are as follows:

• Initial installation fee: A one-time access fee of 15000 yuan.
• Port resource occupancy fee：

Note: Sharing partner port resource access, you do not need to pay the initial installation fee and port resource occupancy fee.