If I want to send a package from China to Indonesia, are there prohibited objects that can’t be deliver?

I sent a package to China from Turkey recently, but after shipping it, I realized that the contents might not comply with Chinese local regulations. To address this, I promptly submitted a return request in cargo branch to prevent any issues. However, I’m not sure if the return request was processed in time.

The tracking currently shows 'The item was forwarded to the destination country (Otb),' but I’m uncertain whether the package has entered China or is still in transit.

What are the typical procedures in such cases? If the package arrives in China and the contents are flagged, is it common for it to simply be returned to the sender? Does submitting a return request indicate that I was trying to proactively address the situation?

I’d appreciate any insights on how such situations are usually handled and what steps I should take next.

sent a parcel with two stickers on one sender's address and mine, and the other sticker is empty, the administration of the trading platform told me that it is unacceptable and that I am a liar
What should the parcel look like? write me an email and I'll send screenshots