After investigated, CAN team has reported root cause of this wet damage and found out that it was raining during unloading this shipment from the aircraft at Guangzhou. Unloading team have to work in the rain and although they used the rain cover for the cartons, but the trail car was wet, the cartons got wet by the trail car. As this case happened, We already did emphasize CAN team to be more careful about the damage situation.
Attached file is the CZ3036/18OCT situation report. We are really sorry for any inconvenience that may caused you.