KEY POINTS
  • Stephen Schwarzman says he's hearing that Chinese officials are working quickly to shut down outbound shipments of illicit fentanyl and fentanyl-related substances.
  • "There's a huge reorganization going on in China regarding fentanyl to try to shut it down," the billionaire co-founder of Blackstone says.
Stephen 'Steve' Schwarzman, co-founder, chairman and chief executive officer of Blackstone Group LP.

Blackstone co-founder Stephen Schwarzman on Tuesday said he's hearing that Chinese officials are working quickly to shut down outbound shipments of illicit fentanyl and fentanyl-related substances.

"There's a huge reorganization going on in China regarding fentanyl to try to shut it down," said Schwarzman, who said he had conversations with authorities, whom he did not identify, during a trip to China three weeks ago. "And if what they said is true, you will see this really going down quickly," he told CNBC's "Squawk Box."