From what Du Rushan said...
After Du Yunting took over the company last year, he obtained evidence of Huang Wenhui's tax evasion to deal with those who had stabbed the Weihai Group in the back.
The evidence was enough to put Huang Wenhui behind bars for over a decade.
Du Yunting forced Huang Wenhui to kill himself. He promised Huang Wenhui that as long as he died, he would not hand the evidence over to the police. At least Huang Wenhui's company could be saved, and his wife and daughter could carry on living.
Huang Wenhui thought about it. For a big-shot businessman like him, how was spending over a decade in prison any different from being killed? Besides, by the time he got out, his life would be over anyway.
He might as well die. At least his wife and daughter could still live well.
If he didn't die and Du Yunting handed over the evidence, he would not only go to prison, but his company would soon go bankrupt, too. His wife and daughter would end up destitute on the streets.
So Huang Wenhui hanged himself.
I had seen that news last year, too, about an entrepreneur hanging himself, but I hadn't paid much attention at the time.
But unexpectedly, after Huang Wenhui hanged himself, Du Yunting still handed over the evidence of his tax evasion. That evidence also involved some other crimes, leading to the arrest of several senior executives at Huang Wenhui's company. The company soon faced closure.
After his death, his assets were confiscated, and his wife and daughter, unable to bear the blow, killed themselves at home.
Xiang Kai was still alive when Du Yunting did this.
Only after driving Huang Wenhui to his death did he go on to kill Xiang Kai, Pan