There is no additional charge for using Amazon Virtual Private Cloud, aside from the normal Amazon EC2 usage charges

NAT Gateway Pricing

China (Ningxia) Region

If you choose to create a NAT gateway in your VPC, you are charged for each “NAT Gateway-hour" that your NAT gateway is provisioned and available. Data processing charges apply for each Gigabyte processed through the NAT gateway regardless of the traffic’s source or destination. Each partial NAT Gateway-hour consumed is billed as a full hour. You also incur standard Amazon Web Services  data transfer charges for all data transferred via the NAT gateway. If you no longer wish to be charged for a NAT gateway, simply delete your NAT gateway using the Amazon Web Services Management Console, commandline interface, or API. 

Price per NAT gateway (¥/hour) ¥ 0.37
Price per GB data processed (¥) ¥ 0.37

China (Beijing) Region

If you choose to create a NAT gateway in your VPC, you are charged for each “NAT Gateway-hour" that your NAT gateway is provisioned and available. Data processing charges apply for each Gigabyte processed through the NAT gateway regardless of the traffic’s source or destination. Each partial NAT Gateway-hour consumed is billed as a full hour. You also incur standard Amazon Web Services  data transfer charges for all data transferred via the NAT gateway. If you no longer wish to be charged for a NAT gateway, simply delete your NAT gateway using the Amazon Web Services Management Console, commandline interface, or API.

Price per NAT gateway (¥/hour) ¥ 0.427
Price per GB data processed (¥) ¥ 0.427

VPC Traffic Mirroring Pricing

China (Ningxia, Beijing) Regions

If you choose to enable traffic mirroring on Elastic Network Interface (ENI) of Amazon EC2 instances, you will be charged hourly for each ENI that is enabled with traffic mirroring. If you no longer wish to be charged for traffic mirroring, simply disable traffic mirroring on EC2 instance ENIs using the Amazon Web Services Management Console, command line interface, or API.

Hourly Price per ENI ¥ 0.18

Example

You enable traffic mirroring session on 5 ENIs in your Amazon VPC in China North 1 (Beijing) Region. Traffic mirroring sessions were active for 30 days, 24 hours a day.You will be charged on an hourly basis, for each hour the traffic mirroring sessions were active on ENIs. For China North 1 (Beijing) Region, the hourly rate is ¥0.18. This will result in a charge of ¥648.