The 28 year old midfielder has again played down speculation linking him with a move to England.
"In Rome I'm fine," Nainggolan told gazzetta.it. "My family is happy and even the weather is often good.
"Sometimes you make choices for the money, others for the quality of life, which matters a lot to me. Also, if I went to England, I would have to start from scratch, but I repeat: I am very well in Rome.
"China? Currently no, but you can never say never. We need to see right now."