In Chinese judicial practices, unless the jurisdictional clause clearly stipulates that is "non-exclusive", it is more likely that the agreement of jurisdiction would be deemed as "exclusive".
To learn more about Chinese legal and judicial system, you can visit the websites of official bodies and institutions, as well as news websites with official background.
Shortly, the Asian Business Law Institute will release an ambitious publication titled Asian Principles for the Recognition and Enforcement of Foreign Judgments.
The Court of Appeal of New Zealand ruled in 2016 to enforce a Chinese judgment to its full value, which marks the first time that a Chinese monetary judgment has been enforced in New Zealand.
Full texts of China's bilateral treaties on recognition and enforcement of foreign judgments and other judicial assistance matters are now available. The information comes from the website of the PRC Ministry of Foreign Affairs.