Later on Thursday, Beijing also celebrated a 3-0 (25-16, 25-15, 25-21) victory against Yunnan.
Llorente can play either as a defensive midfielder or in central defense and has played six times for the Spanish national team.
Although Suning looked like they dominated the game, it was Shenhua who created real threat. The 40th minute saw the Shanghai side's 21-year-old defender Wen Jiabao dribble through the Brazilian Joao Miranda and volleying from a close range, but his shot was denied by Suning goalkeeper Gu Chao.
Uruguay will meet Chile in Montevideo and Argentina face Ecuador in Buenos Aires in other opening day fixtures.
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.
Guoan suffered criticism after earlier fumbling a 3-0 lead against Qingdao, suffering instead a 3-3 tie in the first leg.
Yan, 20, faced his fourth-round opponent Aaron Hill after the 18-year-old had stunned six-time world champion Ronnie O'Sullivan earlier in the draw, but only managed to claim one frame against Yan, who ranks 15th in the world.
Brazil will meet Bolivia in Sao Paulo on October 9 and Peru in Lima four days later.
The first game of the day saw Alaves draw 0-0 at home to Getafe in a game that was more entertaining than the scoreline indicates. Both sides had chances to win, but the draw leaves Alaves with just one point from their first three games of the season.
With only two rounds left after Monday's matches, Shenhua now have a one-point advantage over Shenzhen and Guangzhou R&F, who both gained 14 points on the table, temporarily holding the Dalian division's last ticket to enter the 2020 CSL's title race zone.
LONDON, Sept. 25 (Xinhua) -- Gareth Bale on Friday said he had 'no regrets' about his time with Real Madrid in a TV interview in the UK.