K4 How many days does it take to get to China by Korean direct mail?

If it is an international air express, it usually takes 3 to 4 days, depending on which city in China it is sent from South Korea, and it takes up to 3 days to send it to Beijing. General shipping needs 1 month.

For k4 logistics, it depends on the outbound preparation and customs clearance speed. Generally, it takes one week to prepare for leaving the warehouse, but if it is very long, it may take two weeks to leave the warehouse, and then the customs clearance time depends on the speed of the port. It will take a week if it is fast. If it is slow, it will take a month to board the ship, and then it will be sent to the designated address in China by express delivery.