"China is the largest supplier of drugs that come into Indonesia," Slamet Pribadi said here on Sunday.
Chinese drugs network syndicates also control the drug trafficking racket in Indonesia, he added.
Iran was the second largest source of smuggled illicit drugs, he said.
As many as 44 new psychoactive substances (NPS) were currently being circulated illegally in Indonesia.
According to data from the United Nations Office on Drugs and Crime (UNODC), 651 new psychoactive substances (NPS) exist in the world, he said.
He hoped that the NPS wil be included in the substances covered by Indonesias anti-narcotic law.
The country has more than five million drug users, mostly young people. Between 30 to 50 Indonesians, mostly youth, die every day due to drug addiction.
Having declared a drug emergency status in Indonesia, it is now one of the few countries to have imposed the harshest drug laws in the world.
On July 29 this year, four death row inmates convicted for drug trafficking were executed. Among them were three Nigerians while the fourth was an Indonesian.
Last year, Indonesia had executed 14 drug convicts including an Indonesian, a Nigerian, a Brazilian, a Dutch a Vietnamese and two Australians.(WDY)