1. This is the tracking of your parcel:
Number: RK547929579CN
Package Status: In Transit

Destination Country: Czech Republic
2016-11-03 00:00 The consignment was sent to the Czech Republic.
2016-10-28 00:00 The consignment was posted.

Origin Country: China
2016-11-04 00:19 Shanghai Pudong, left
2016-11-04 00:19 Shanghai Pudong, left hand navigation
2016-11-03 23:51 Shanghai Pudong, reach
2016-11-03 23:51 Shanghai Pudong, reach
2016-11-03 05:03 Shanghai Exchange Bureau, have been exported directly
2016-11-02 23:48 Shanghai Exchange Bureau, have been exported to open
2016-10-29 19:06 Nanjing Exchange Bureau, have been exported to each other (internal transit)
2016-10-29 12:42 Exchange Bureau in Nanjing, has been exported to open
2016-10-28 16:51 Zhenjiang Post Office Communications Bureau, left, the next station "Zhenjiang"
2016-10-28 16:30 Zhenjiang postal service letter, letter
2016-10-28 16:02 Zhenjiang postal service letter has been accepted
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2. Your parcel In On Route/In Transit to your country Czech Republic. May I suggest you read this for your country:
http://track-chinapost.com/China_Post_Arrival_Time_Stat.php

3. Just continue to track your parcel on the Czech Post site for any new movement.

Hope this help.