Marouane Fellaini has left Manchester United to join Chinese Super League club Shandong Luneng on a permanent deal.
Fellaini, 31, travelled to China on Thursday to discuss personal terms - having already undergone a medical - after the two clubs reached an agreement in principle.
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The midfielder has been at Old Trafford since being signed from Everton by David Moyes in 2013 and was an important figure during Jose Mourinho's reign.
Fellaini was rewarded over the summer with a new contract which is set to run until 2020, with the option of a further year.
However, he was limited to just 31 minutes in nine games under caretaker manager Ole Gunnar Solskjaer following Mourinho's sacking, before being allowed to leave Old Trafford.
The Belgium international leaves United after five and a half years having won the FA Cup, League Cup and Europa League. He scored 22 goals in 177 appearances.
While the transfer window closed in the UK on Thursday evening, Chinese clubs have until February 28 to complete deals.