Hi friend!
I found that it seems to be used on Huawei devices.
[~HUAWEI] NAT instance cpe1 id 1
[*HUAWEI-nat-instance-cpe1] nat Address group1 group-id 1 10.10.13.13 10.10.13.20
[*HUAWEI-nat-instance-cpe1] nat Outbound 3000 Address Group group1
Glad to help.