Hi Belal,

It's stuck at the customs. It should be waiting for the seller to declare to the customs now. You'd better contact the seller to ask if he has received the notice from the customs. If no, let him call China customs service number 12360 to check.

Number: EM286305489JP
Package status: In transit
Country: Japan -> China
2021-01-17 14:17 Shanghai, import customs retained for inspection
2021-01-17 01:09 Shanghai, sent to import customs
2021-01-15 06:20 Leaving the Overseas Export Swap Bureau (not yet arriving at China Post)
2021-01-15 06:19 Tokyo, to the Overseas Export Swap Bureau
2021-01-15 00:34 Japan, Japan has been accepted