there is no problem on the shipment of your product.
The vessel just arriving at Japan/Korea Boarder.
Its certain you have the container this week at Korea port.
Its already at Japan/Korea Boarder,this information from
the shipping company.
The container just at your back,please have a little patient
its will be received in the Korea port
As i told you that most times delay is cause by customs in each
Trans/loading port and this affect the shipment date.
The vessel is almost there since its in the boarder right now.
Little patient is needed.