Insufficient defense marked by only 29 rebounds compared to 53 by the visitor proved to be the key element that led to Handlova's second defeat and put it at the bottom of the rankings.
With a perfect record in the new season, Jiangsu expects a tough route ahead as title contender Xinjiang awaits them on Saturday.
Dongguan opened the first quarter on an 11-2 run, sparked by five straight points from Yang Shuyu.
The Chinese Super League (CSL), which started the 2020 season behind closed doors in July, has been slowly opening up to a limited number of spectators last month.
When facing Turkey in a friendly in Cologne, the national coach Joachim Loew not only has to give several of his vital players a break but also to deal with various cancellations.
The club said that four outfielders and three infielders have been infected with the virus, as well as four non-playing staff, bringing the total number of recent infections at the club to 13 after it was revealed on Sunday that right-hander Daiki Iwashita and a staff member had tested positive.
Fueled by Wei's six points in a row, Inner Mongolia widened the gap back to seven points, and they used a 22-13 second quarter to build a 13-point advantage at halftime.
The visitors from the capital started well, and disrupted Bayern's build-up work in the early stages.
1: Barca still has work to do
Having overcome last season's top-ranked side Beijing on Thursday, Jiangsu never looked threatened from the tip-off on Monday. They out-rebounded Tianjin 43-25 to score 26 points on second chances.
The world No. 4, and two-time finalist at Roland Garros in 2018 and 2019, reached the fourth round in Paris for the five consecutive years.