Second, pay foreign exchange first, then import. This procedure is not required at China Electronic Port. Please register online first/bring relevant foreign exchange payment documents directly to the bank counter. However, the number is limited.
2.90 days or more 120 days or less is not a big problem, but an application is needed.
Theoretically, being blacklisted for more than 120 days is very serious. Occasionally, special circumstances show that SAFE can forgive you, but the second time it may be blacklisted, depending on your friendship with SAFE.