There are currently no unlimited data eSIM plans for China from Soracom Mobile.
Instead the provider offers fixed‑data options such as a 10GB plan for 30 days that costs $139.99 USD and a 5GB plan for the same period priced at $69.99 USD. These options are available on a 2G, 3G, 4G network and provide a straightforward amount of data without exceeding a hard limit.
Choosing a fixed‑data plan can be more economical for most travelers, and it may be sufficient for regular use. Only if a user expects to consume a very high volume of data beyond these fixed allowances would an alternative with higher or unlimited data be considered.