How does the supplier's Trade Assurance Limit determined?

The Trade Assurance Limit is assigned by Alibaba.com to the suppliers who agree to join Trade Assurance and promise to abide by the Trade Assurance service policies.

Based on supplier’s qualification status and their transaction volume from the past years, Alibaba.com will grant the supplier a certain Trade Assurance Limit, which can be used to protect buyers’ online trade with those suppliers.