Parcel No.RH296726375CN tracking result
2016-05-10 20:17:16.0 Guangzhou Int'l Parcel Center received
2016-05-10 20:17:25.0 Guangzhou Int'l Parcel Center customs scan
2016-05-10 21:35:49.0 leaving Guangzhou Int'l Parcel Center ，next station 广商大宗
2016-05-12 22:31:27.0 Shanghai Transit Station export security scan
2016-05-13 05:56:23.0 Shanghai Transit Station export customs cleared

Any idea if the parcel is stuck at customs? Should I expect to receive it ?

Same problem for me.
Parcels N° RH307694044CN & N°RH307694058CN

Quote from petgeo on June 8, 2016, 08:49
Parcel No.RH296726375CN tracking result
2016-05-10 20:17:16.0 Guangzhou Int'l Parcel Center received
2016-05-10 20:17:25.0 Guangzhou Int'l Parcel Center customs scan
2016-05-10 21:35:49.0 leaving Guangzhou Int'l Parcel Center ，next station 广商大宗
2016-05-12 22:31:27.0 Shanghai Transit Station export security scan
2016-05-13 05:56:23.0 Shanghai Transit Station export customs cleared

Any idea if the parcel is stuck at customs? Should I expect to receive it ?

1. China Post Airmail Parcel Estimate Arrival Time for Romania is 2.5 to 9 weeks.

2. I would not be surprise if the parcel arrive in your country and it's at the Romanian Customs office. But this depend how the Romanian Post Office work. They probably scan the parcel only after it's given to them by Customs Office, not when the parcel arrive in Romania. You can probably call Romanian Post to find out the answer to that question (Destination Country - Romania: + (40) 021 9393 111).

3. You might want to contact seller and ask to call China Post Hot Line: 11185 to find out where is your parcel.

Hope this help.