1. This is the tracking of all your parcels:
Number: RS505435365CN
Package Status: In Transit
Destination Country: Bosnia and Herzegovina
2016-12-09 15:32 China, CNBJSA-BEIJING, getting the shipment in a bag-export
2016-12-04 16:19 51001020, over shipments of the user
Origin Country: China
2016-12-09 23:07 Beijing airport and left
2016-12-09 23:07 Beijing airport terminal, left hand navigation
2016-12-09 22:56 Beijing airport terminal, arrival
2016-12-09 15:19 Exchange Bureau in Beijing, has been exported
2016-12-07 15:59 Exchange Bureau in Beijing, have been exported to open
2016-12-05 11:14 Exchange Bureau in Guangzhou, have been exported to each other (internal transit)
2016-12-05 07:38 Exchange Bureau in Guangzhou, have been exported to open
2016-12-04 22:17 Bulk acceptance packet processing center in Guangzhou, left, the next station "Terminal of Guangzhou"
2016-12-04 17:32 Bulk acceptance packet processing center in Guangzhou, has
2016-12-04 16:19 Guangzhou international mail operation Center has been receiving and sending
======================================
Number: RS505434855CN
Package Status: In Transit
Destination Country: Bosnia and Herzegovina
2016-12-10 16:07 China, CNBJSA-BEIJING, getting the shipment in a bag-export
2016-12-04 16:19 51001020, over shipments of the user
Origin Country: China
2016-12-10 22:20 Beijing airport and left
2016-12-10 22:20 Beijing airport terminal, left hand navigation
2016-12-10 22:16 Beijing airport terminal, arrival
2016-12-10 16:07 Exchange Bureau in Beijing, has been exported
2016-12-10 03:13 Exchange Bureau in Beijing, have been exported to open
2016-12-05 11:19 Exchange Bureau in Guangzhou, have been exported to each other (internal transit)
2016-12-05 07:38 Exchange Bureau in Guangzhou, have been exported to open
2016-12-04 22:17 Bulk acceptance packet processing center in Guangzhou, left, the next station "Terminal of Guangzhou"
2016-12-04 17:32 Bulk acceptance packet processing center in Guangzhou, has
2016-12-04 16:19 Guangzhou international mail operation Center has been receiving and sending
======================================
Number: RS505685853CN
Package Status: In Transit
Destination Country: Bosnia and Herzegovina
2016-12-11 17:29 China, CNBJSA-BEIJING, getting the shipment in a bag-export
2016-12-05 18:57 51001020, over shipments of the user
Origin Country: China
2016-12-11 23:07 Beijing airport and left
2016-12-11 23:07 Beijing airport terminal, left hand navigation
2016-12-11 22:57 Beijing airport terminal, arrival
2016-12-11 17:29 Exchange Bureau in Beijing, has been exported
2016-12-10 16:09 Exchange Bureau in Beijing, have been exported to open
2016-12-06 10:48 Exchange Bureau in Guangzhou, have been exported to each other (internal transit)
2016-12-06 08:01 Exchange Bureau in Guangzhou, have been exported to open
2016-12-05 23:31 Bulk acceptance packet processing center in Guangzhou, left, the next station "Terminal of Guangzhou"
2016-12-05 22:22 Bulk acceptance packet processing center in Guangzhou, has
2016-12-05 18:57 Guangzhou international mail operation Center has been receiving and sending
======================================
Number: RS505812645CN
Package Status: In Transit
Destination Country: Bosnia and Herzegovina
2016-12-11 17:29 China, CNBJSA-BEIJING, getting the shipment in a bag-export
2016-12-06 15:27 51001020, over shipments of the user
Origin Country: China
2016-12-11 23:07 Beijing airport and left
2016-12-11 23:07 Beijing airport terminal, left hand navigation
2016-12-11 22:57 Beijing airport terminal, arrival
2016-12-11 17:29 Exchange Bureau in Beijing, has been exported
2016-12-10 18:48 Exchange Bureau in Beijing, have been exported to open
2016-12-07 13:20 Exchange Bureau in Guangzhou, have been exported to each other (internal transit)
2016-12-07 07:55 Exchange Bureau in Guangzhou, have been exported to open
2016-12-06 23:43 Bulk acceptance packet processing center in Guangzhou, left, the next station "Terminal of Guangzhou"
2016-12-06 21:33 Bulk acceptance packet processing center in Guangzhou, has
2016-12-06 15:27 Guangzhou international mail operation Center has been receiving and sending
======================================
Number: RS507122237CN
Package Status: In Transit
Destination Country: Bosnia and Herzegovina
2016-12-24 12:27 China, CNBJSA-BEIJING, getting the shipment in a bag-export
2016-12-10 16:24 51001020, over shipments of the user
Origin Country: China
2016-12-25 02:12 Beijing airport and left
2016-12-25 02:12 Beijing airport terminal, left hand navigation
2016-12-24 22:56 Beijing airport terminal, arrival
2016-12-24 12:10 Exchange Bureau in Beijing, has been exported
2016-12-23 10:36 Exchange Bureau in Beijing, have been exported to open
2016-12-11 10:50 Exchange Bureau in Guangzhou, have been exported to each other (internal transit)
2016-12-11 07:59 Exchange Bureau in Guangzhou, have been exported to open
2016-12-10 21:58 Bulk acceptance packet processing center in Guangzhou, left, the next station "Terminal of Guangzhou"
2016-12-10 21:22 Bulk acceptance packet processing center in Guangzhou, has
2016-12-10 16:24 Guangzhou international mail operation Center has been receiving and sending
======================================
Number: RS506999439CN
Package Status: In Transit
Destination Country: Bosnia and Herzegovina
2016-12-17 15:36 China, CNBJSA-BEIJING, getting the shipment in a bag-export
2016-12-11 16:30 51001020, over shipments of the user
Origin Country: China
2016-12-17 22:36 Beijing airport and left
2016-12-17 22:36 Beijing airport terminal, left hand navigation
2016-12-17 22:27 Beijing airport terminal, arrival
2016-12-17 15:32 Exchange Bureau in Beijing, has been exported
2016-12-16 18:56 Exchange Bureau in Beijing, have been exported to open
2016-12-12 11:35 Exchange Bureau in Guangzhou, have been exported to each other (internal transit)
2016-12-12 07:55 Exchange Bureau in Guangzhou, have been exported to open
2016-12-11 17:07 Bulk acceptance packet processing center in Guangzhou, left, the next station "Terminal of Guangzhou"
2016-12-11 17:06 Bulk acceptance packet processing center in Guangzhou, has
2016-12-11 16:30 Guangzhou international mail operation Center has been receiving and sending
======================================
Number: RS505851961CN
Package Status: In Transit
Destination Country: Bosnia and Herzegovina
2016-12-13 16:32 China, CNBJSA-BEIJING, getting the shipment in a bag-export
2016-12-07 16:49 51001020, over shipments of the user
Origin Country: China
2016-12-13 23:12 Beijing airport and left
2016-12-13 23:12 Beijing airport terminal, left hand navigation
2016-12-13 23:01 Beijing airport terminal, arrival
2016-12-13 08:51 Exchange Bureau in Beijing, has been exported
2016-12-11 15:22 Exchange Bureau in Beijing, have been exported to open
2016-12-08 13:19 Exchange Bureau in Guangzhou, have been exported to each other (internal transit)
2016-12-08 07:55 Exchange Bureau in Guangzhou, have been exported to open
2016-12-07 23:13 Bulk acceptance packet processing center in Guangzhou, left, the next station "Terminal of Guangzhou"
2016-12-07 22:18 Bulk acceptance packet processing center in Guangzhou, has
2016-12-07 16:49 Guangzhou international mail operation Center has been receiving and sending
======================================
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2. If you did receive on parcel RS507520199CN, then there is a good chances that the other ones will follow also. They where not all ship on the 05 Dec.

3. Just continue to track them on the JP BH Post for any new movement.

Thanks.