With the win, Suning leapfrogged Luneng into second place on the table with 17 points from nine games, two points adrift of Fabio Cannavaro's Guangzhou Evergrande who have played one match less.
The win meant Qingdao continue to lead the overall standings, although second-placed Ruichang Biyuan also cruised to a victory, beating second from the bottom team Anhui Souyu 4-1 later in the day.
In the 65th minute, Dalian's Ke Zhao added a goal of his own and sealed the 4-0 victory.
"His ability to see space, time his movements and read the game will really complement the qualities that we have in midfield and his arrival really strengthens the depth of talent we have in that position," Solskjaer told the club website.
Strikers Mehdi Ghaedi and Arsalan Motahari pulled two back for Esteghlal FC in the second half.
"It's a great motivation for me to want to do well this tournament, but for the most part I feel like I've been in quarantine and practising for so long, so I prefer to play matches," Osaka said.
He said he was looking forward to battling for his place alongside players such as Paul Pogba, Bruno Fernandes, Nemanja Matic and Fred.
Duan Liuyu sent a long-distance shot off the cross-bar in the 45th minute, while Marouane Fellaini saw his header hit the post in frustration in the 61st minute. Enditem
The competition in Lausanne's Place de l'Europe played host to a fascinating duel between Duplantis and two-time world champion Sam Kendricks from the United States, whose best jump was 6.02 meters.
Speaking to Sky Sports while on international duty with Wales, Bale was asked about his future at the La Liga champions.
The 28-year-old is now 16th in the overall rankings, 16 seconds behind new leader Yates.