http://track-chinapost.com/result_china.php?order_no=UN206189999CN shows the parcel was shipped on Sep 22.

this kind of parcel starting with U is china post ordinary parcel. China Post will not scan and update its status after it left first post office. so you can not see new status and know where it is now.

This is a slow and cheap service for low value item. china post ordinary parcel might take 4 to 12 weeks to reach your country.

If your buyer protection is expiring, you should open dispute to paypal/aliexpress for lost parcel refund. Otherwise keep waiting.

Quote from eslam_demo on November 7, 2018, 18:31
Okay how i know if the package leave china

you can not know china post ordinary parcel leaving china date. if you want parcel with accurate tracking status, you should use more expensive epacket instead of such very very cheap ordinary parcel.