“Police attended and arrested a male at the scene, who has been charged with her murder.”
Ms Howitt said a post-mortem examination had provided a provisional cause of death for Wenjing as “pressure on neck”, adding: “However, there are further investigations to follow.”
The court heard that Wenjing was born in Belfast, Northern Ireland, on December 20, 2004, before her family later moved to Wales.
Senior coroner David Regan said he would adjourn the inquest but would not fix a date for its resumption “to allow the police to progress their inquiries”.
Murder-accused Xu did not enter a plea to the two charges against him when he appeared at Cardiff Crown Court last month and was remanded in custody ahead of a three-week trial on November 1.