The victory ended Huanghai's seven-game losing streak across all competitions while Teda remained winless in all 13 league matches this season, which put coach Wang Baoshan under growing pressure to restore the team's form.
The 24-time Norway international follows Josep Martinez, Hee-Chan Hwang, Benjamin Henrichs, Lazar Samardzic and Angelino as the sixth new arrival of the summer transfer period.
Yunnan made more errors in the second set, especially in serve and back court receiving, only to witness Beijing take the set again.
The first round will be completed on October 8 when Colombia confront Venezuela in Barranquilla and Brazil encounter Bolivia in Sao Paulo.
"It was very important to win our next match after the 5-0 defeat. The Copa Libertadores is not only about skill, it's also about heart. And the players showed that."
The 23-year-old broke the deadlock in the 74th minute by thumping in a long-range effort after combining with Darlan Mendes.
In Group D, Al Sadd SC tied Al Nassr 1-1 and both made it to the Round of 16 after Sepahan settled for a 0-0 draw with Al Ain in Monday's late match. Enditem
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.
The league debut comes after another difficult week, which followed a complicated summer in the wake of Barca's 8-2 thrashing to Bayern Munich in the Champions League. That defeat saw Quique Setien sacked as coach and replaced by Koeman and led to a clear out of the dressing room, which has so far seen Ivan Rakitic, Arturo Vidal, Arthur Melo, Nelson Semedo and Luis Suarez all leave the club.
Meanwhile, the Barcelona-based sporting press reported on Monday that striker Luis Suarez and the club have reached an agreement to rescind the Uruguayan's contract and allow him to leave on a free contract.
LONDON, Sept. 24 (Xinhua) -- English Premier League club Everton announced on Thursday the full details of their plans for a 52,888 capacity stadium on Liverpool's World Heritage Site waterfront.