Wang Yuliang , former Sanlu chairwoman and general manager , pleads guilty . 22 Chinese executives accused of producing and selling substandard products . Scandal revealed after babies Tian Wenhua , Sanlu 's former board chairwoman and general manager , and three other executives are on trial for producing and selling fake or substandard products , according to Xinhua news agency . Xinhua milk powder developed kidney stones . Victims of tainted baby formula to be compensated by 22 Sanlu dairy firms .
Wang Yuliang , former Sanlu chairwoman and general manager , pleads guilty . 22 Chinese executives accused of producing and selling substandard products . Scandal revealed after babies Xinhua milk powder developed kidney stones . Victims of tainted baby formula to be compensated by 22 Sanlu dairy firms .