China hit back at the European Union’s restrictions on its medical device makers while maintaining key exceptions, adding uncertainty to ties ahead of a high-stakes summit later this month.Beijing will exclude EU-based companies from Chinese government procurement for certain medical devices,

China's finance ministry said on Sunday it was restricting government purchases of medical devices from the European Union that exceed 45 million yuan ($6.3 million) in value, in retaliation to Brussels' own curbs last month.

Beijing and Europe’s tit-for-tat trade restrictions are largely symbolic but demonstrate the worsening of their ties ahead of a joint summit.