But Spanish radio station Cadena SER claim, Martinez is close to signing for Guangzhou in a deal worth around £34million (45m euros).
The transfer market in China does not close until February 26.
Last month, Martinez insisted he was not considering leaving the Vicente Calderon.
Atletico Madrid signing Jackson Martinez officially unveiled
"I try to adapt gradually, although I haven't produced as expected," the 29-year-old said.
"The team has had good results. Personally I have to keep working.
"[The support at Vicente Calderon] is a positive for me. I'll fight until the end and it's not in my head, as has been said, to leave next season.
"In my head is just to fight the most for this shirt. I'll stay as long as the club wants me. That's according to results, and we know that's the way it is."
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