NO RESPONSE! NO ONE ANSWERING CALLS!!!

We had been trying to tracking a parcel from China for days which is currently held by JIMC custom since 22nd April, the tracking number: EE***CN. We tried the customer service number and JIMC telephone number, but NO ONE IS ANSWERING THE CALLS and we had HOLD UP THE LINE FOR MORE THAN HALF HOUR AND STILL NO ONE ANSWERING!!! The SAPO service has once again provided us a very POOR SERVICE!!!<br> <br> Please someone can help us to track the above mentioned parcel and tell us when it can be released by custom and what's the domestic reference number for us to track this parcel?!!!!!!<br> <br>