AWB Duplicated CHK for China

Server :

20Apr 18:10:16(z)
To provide AWB No. usage record for China shipments within the past 10 years.
Please don't use the AWB No. that has its past record.
If so, the shipments would be held by China customs whose system can't handle new data due to a collision between old and new data under the same AWB no.
AWB Number