This treaty also granted the German government the right to build the Jiaoji Railway and develop the mineral deposits along the route.

Kaiser Wilhelm II was determined to make Tsingtao a "model colony" and a bridgehead for the German army in the Far East.

[8] In 1938 the Beiyang government took over control of the rolling stock manufacturer but constant political turmoil left railway development on hold until 1949.

This joint venture includes a new IS development named JOSS (joint venture operating system support)[20] By 2009 it had delivered over 1000 units, including the CRH1E (Zefiro 250) high speed sleeper trains, and had secured an order for 80 CRH380D (Zefiro 380) very high speed trains in an order estimated to be worth €2.7 billion ($4 billion, 27.4billion RMB) in total.

In 2013, Kawasaki Heavy Industries (KHI) planned to sue CSR Sifang for patent infringement after their partnership was dissolved.

The entire issue has since generated a huge amount of controversies in Hong Kong and Singapore with some rumors spreading in the Internet as well.

On 9 September 2020 Bucharest City Hall sent to the Association Astra Vagoane (Romania) - CRRC Qingdao Sifang (China) a "Communication on the outcome of the award procedure for Purchase of 100 trams.

By this address, the mentioned association is notified that the winner of the procurement procedure has been designated and that it will be informed of the date and time when the contract will be signed.