1. The limit of a single U shield of a rural commercial bank's corporate account is 5 million. If U shield is used, the limit is 1 10,000 per transaction, 1 10,000 per day, and the limit of electronic cipher is 500,000 per transaction, 1 10,000 per day.

2. China Construction Bank opened a credit card with an overdraft of 5 million, and the conditions were very clear and high.