The Portuguese defender, who won the 2016 European Championships with his country, left Saints for East London in January 2017 for £8m.
However, Fonte has struggled for form and fitness at West Ham, having not featured in the Hammers first team since a 2-2 draw at Crystal Palace back in October.
Fonte only made 24 appearances for the club, but he managed to make an impression as below.
Jose Fonte is a bit shit isn't he— West Ham COYI (@TheHammers_) August 20, 2017
Jose Fonte is a liability— Ross Dunn ⚒ (@RossiDunn) April 5, 2017
West Ham manager David Moyes claims Fonte wanted to leave to help boost his chances of featuring for Portugal in the upcoming 2018 FIFA World Cup in Russia.
Dalian Yifang have only recently returned to the Chinese Super League after three seasons in the China’s second tier.