Four minutes later it was 2-0 after Mane slotted the ball home after a terrible error from Chelsea keeper Kepa Arrizabalaga, whose attempted clearance was blocked by the forward.
Both sides had chances in the first half, but all shooting attempts were of low quality. Wang Shenchao was fouled in the penalty area in 42nd minute, but the Shanghai defender was offside beforehand.
Jiangsu sealed the win just three minutes later as Xie Pengfei converted a free kick and into the box and the ball hit at his teammate Li Ang, which created a rebound for Martins to score a volley.
It will be Wague's second loan in two seasons after he spent last season playing for Nice in France.
The 2020 season marks the debut of a new region, PCS, which encompasses players and teams from Southeast Asia. For the 2020 World Championship, the PCS has two seeds.
All three are asymptomatic.
Messi's criticism comes just two days before Barca kick off their La Liga campaign with a home game against Villarreal on Sunday night and will not help his relationship with new coach Ronald Koeman, who was the person who called Suarez to tell him he was no longer needed. Enditem
Semedo has agreed to a three-year contract until the end of June 2023, with the option to extend it until 2025. He will replace Matt Doherty, who recently joined Tottenham.
Villarreal came back from a goal down to take their first win of the season with a 2-1 at home to Eibar.
Real Madrid controlled most of the ball in its league debut away to Real Sociedad a week ago, but failed to create enough chances to win the game, raising questions about what was also the club's main problem last season.
After that, control of the game was taken by the Austrians, and in the 16th minute Maccabi's defender Eitan Tibi saved a sure goal from the line, after a shot by Hungarian midfielder Dominik Szoboszlai.