How many exchanges are left? If there are more than 10 left, it is only the consequences of competition.
way more than 10 left , those closed are tiny exchanges only a few chinese knew about , it seems
oh and the topic creator too
, this is not due to some major change in the policy or legislation
most likely competition and the lack of business , but could be anything
in a country with > 1 bil people 5! small! exchanges closing is not really a big deal
but if there is a tendency and most of them are shutting down or transferring their business overseas ,then that would be news