Dalian ended the impasse in the 33rd minute when Swedish winger Sam Larsson assisted Salomon Rondon to net a stunning long-range strike.
Dortmund controlled possession but had to wait until the 21st minute for their first clear-cut chance, as Haaland's header called Yann Sommer into action.
Zaha's solitary goal a week ago gave Palace a 1-0 win at home to Southampton, and he was on target twice more to produce the surprise of the weekend.
"But we don't want it only to be a marketing measure but hope we can add quality to our squad," Jobst told Xinhua. "We want any future player to be a regular in our first team."
The forward recommends a 'one game at a time' policy for the struggling Royal Blues.
In the women's draw, top seed Simona Halep of Romania beat Ukraine's Dayana Yastremska 7-5, 6-4.
Only counting on talent and youthful nonchalance doesn't take you to the top the 59-year-old predicted.
The BWF is looking into possible alternative dates to reschedule the world men's and women's team championship, but not before 2021.
Stage One will be played across two blocks of eight days: September 13-20 and September 28-October 5. Enditem
The 33-year-old Serb now faces a semifinal against Casper Ruud of Norway, who beat fourth seed Matteo Berrettini of Italy 4-6, 6-3, 7-6 (5).
Both Bale and Reguilon are expected to take their medicals at the training ground with their contracts expected to be made official later in the day.