Later on Thursday, Beijing also celebrated a 3-0 (25-16, 25-15, 25-21) victory against Yunnan.
The 16-team CSL was split into two groups, with each group of eight teams based respectively in Dalian and Suzhou. Both groups will play 14 rounds in the first phase, which is to end next Monday.
"For me and my national team mate Gong Xiangyu, this is our first time to compete in the Chinese Women's Volleyball Championship. Of course we want to deliver our best performance here," said Jiangsu captain Zhang Changning.
"We know it is very important, but we think it will not affect the competitions of the Olympic Games," he said.
Li then overwhelmed Jiangsu with four kills. Wang Yuanyuan made the set points for Tianjin to level it at 1-1.
The 16 teams were divided into two groups this season and the top four in each group will advance into the Final Group A for the championship race.
Kike Gonzalez put Eibar ahead in the 50th minute, but Gerard Moreno scored an excellent goal after spinning in the area in the 62nd minute, before Paco Alcacer kept calm when put through on goal eight minutes later.
S10, for the first time, invited the fourth seeds from China (LPL) and Europe (LEC) as a reward for these regions finishing at the top of the global power rankings. Both of these teams will begin their tournaments in the Play-In Stage. Enditem
Beer Sheva scored their first goal in the 43rd minute, with Portuguese defender Miguel Vitor heading home from compatriot Josue's accurate pass.
Saturday ends with Southampton facing a tricky visit to play Burnley. Southampton have lost both league games so far and were dumped out of the Carabao Cup by Brentford, while Burnley lost their only league game away to Leicester City, before bouncing back to beat Milwall in the Carabao Cup. They have a good record against Southampton with four wins and three draws against them since October 2016.
Zidane was without Marco Asensio, Isco and Eden Hazard against Real Sociedad, and if fit, that trio would give him more attacking options. Both Hazard and Asensio began training with the group towards the end of the week, and though neither is likely to be fit enough to start, they could take up a place on the bench.