Due to Corvid -19 effect Post Office international delivery a lot , we decide to change to DHL global service
( https://www.dhl.com/us-en/home.htmlas ) as our priority delivery. For a better and faster service.
For Asia area , we use SF express , https://www.sf-express.com/tw/tc/
And Japan , we use OCS, https://www.ucf.com.tw/