Economics graduate Jia disappeared while walking home from her workplace, the luxury chocolate makers Thorntons headquarters in Somercotes, Derbyshire.
She was killed minutes after leaving the office on March 10 and her battered body was found three days later in nearby woods, covered by twigs.
A £20,000 reward has been offered for information leading to her killer's arrest and conviction.
Jia, 25, was walking through the woods on a footpath known locally as The Yellow Brick Road when she was attacked.
The man who is featured in the latest pictures was seen in the Cotes Park Inn in Somercotes, Derbyshire, on the evening Jia was killed.
Two CCTV images of him were released on April 6 but no one has recognised him and he has not yet come forward.
Detective Chief Superintendent Steve Cotterill said: 'We'd like to talk to this man who may have information that would help us.
'As I've said before we are trying to speak to everyone who was in that part of Somercotes around the time Jia disappeared.
'We know this man was in the area at about 6pm and went into the pub. I'd urge him to come forward to speak to us.' Read More