The other match in the Chengdu division saw a goalless draw between Suzhou Dongwu and Inner Mongolia Zhongyou.
Hertha was able to score a consolation goal in the 76th minute with the assistance of Martin Hinteregger, who cleared a square pass from Torunarigha into the wrong goal.
World number 12 Ding shared the opening four frames with Mark Allen, but took the following three in a row to seal a 5-2 win.
Stoppila Sunzu pulled one back for Shijiazhuang shortly after the interval. But Mierzejewski restored Chongqing's two-goal advantage in the 72nd minute and completed his hat-trick with a penalty to seal a 4-1 win.
The world and Olympic 3,000m steeplechase champion Kipruto, who missed the opening leg of Diamond League series in Monaco in August after testing positive for COVID-19, will return to action after shaking off the virus.
At the Chinese club he collaborated with his compatriot Eran Zahavi, who recently joined Dutch side PSV Eindhoven. Enditem
The 33-year-old, who netted 21 goals last season despite needing a knee operation, was filmed at Barca's training ground in tears on Wednesday and the move could be confirmed in a matter of hours. Enditem
The winner of this tie will then play away from home against the winner of the game between Swedish team Malmo and the Croatian side Lokomotiva Zagreb. Enditem
Semedo's departure leaves Barcelona needing to sign a right back, as the only player in their first team squad currently able to play in that position is Sergi Roberto, who also plays in midfield.
About 10 minutes later, Chongqing enlarged the lead as Brazilian forward Fernandinho Silva cut in from the left, assisting his fellow peer Alan Kardec to make it 2-0 in the first half.
Attracting about 300 top swimmers across the country, the 2020 Championships will be held from September 26 to October 2 in Qingdao.