Supplier shipped an item from Philippines to Chinese warehouse through post office, EE192621553PH is the tracking number, it says items has been held by Chinese customs, how do I retrieve my items, kindly help, it’s been held for over a week, it contains skin supplements I forms of pills and also glutathione supplements

Return package sent back from U.S to China on begainging of June, seller receiver refused declare to customs. It's been held for over 2 months. What happen if receiver does not do customs declaration? Would customs return the package to sender? How long will it be retuned back to sender? Do customs have deadline return the package?

Hello, I am the sender and I made a mistake on the shipping address to the recipient in Hunan, China.

It is currently held at the “Chinese Import Customs On-Hold for user to pay taxes” for almost 3-4 months. I wish to request to have the package return back to me (the sender). 

My USPS tracking number is: CH159633601US. I cannot find a working email address for the Chinese Import Customs in Beijing. Someone please help. Just need my package return back to the sender.