Brazilian forward Alan Kardec was awarded a special jersey to commemorate his 100th CSL appearance in Chongqing before the match.
"I even couldn't believe that a defender has terrific skills like Li. It's important to have such an advantage in the game," Suning coach Cosmin Olaroiu praised.
"Hopefully now I can get some match fitness, get underway and really help the team to win trophies."
In a game that was essentially decided in the first half, striker Mary raced to receive a ball in the box and scored to give Shenzhen a lead in the 4th minute.
Dominic Dale, the world number 70, also reached Stage Two after topping his group with two wins and one draw.
Real Sociedad were a bit flat in their opening day 1-1 draw away to Real Valladolid, but should be sharper after that game and another week's training, and although the stands of the Reale Arena will again be devoid of fans on Sunday night, this should be a tough test of Madrid's ability to defend their title. Enditem
Liverpool regained the lead in the 20th minute as Virgil Van Dijk took advantage of some slack marking to smash home a header from Andy Robertson's corner.
The tournament was scheduled to be held in Aarhus, Denmark from October 3 to 11, but had to be postponed due to the withdrawal of a number of participating teams and the adjusted European leg of the BWF World Tour, badminton's world governing body said in a statement.
Raul Jimenez put the away side in front with a half-volley from Castelo Podence's left-wing cross, before Romain Saiss's header from Neto's corner completed the scoring.
In the day's later fixture, Hellas Verona shared the spoils with Roma in a 0-0 draw, with both sides hitting the woodwork three times. Enditem
Elsewhere, Estudiantes beat Alianza Lima 3-2 and Caracas won 3-2 at Independiente Medellin. Enditem