The former Chelsea forward scored twice in 3-3 draw with Shandong Luneng on Saturday, while team-mate and fellow Stamford Bridge old boy Nicolas Anelka scored a goal of his own.
Reports earlier this week suggested the pair could be forced out of the club due a row between the club's shareholders.
Chairman Zhu Jan reportedly wants a majority stake in the company and it could come at the expense of the former Chelsea stars.
But Drobga's management rubbished the reports as 'nonsense.'
A spokeswoman added the Ivory Coast man will return to China after fulfilling his international duties against Senegal on Thursday.