Foreign Ministry spokesman Wang Wenbin said at a news conference on Thursday that Meng's case is a political incident plotted by the US, with Canada as an accomplice, as well as a deliberate crackdown on Chinese enterprises.

The fact that Meng has not violated any Canadian laws and has been unreasonably and illegally detained for 1,000 days, made Canada an accomplice of the US, Wang said.

To cover up the source of the drug money, Fei transferred 6,800 yuan ($1,070) from the drug sales to an accomplice surnamed Cheng via WeChat.

His accomplice, Cheng, was sentenced to five months' detention, suspended for eight months, and fined 3,000 yuan for money laundering.

Que's accomplice, Xie Fenghua of Diecai Asset Management (Shanghai) Co Ltd received a lifetime ban in the equity market and was fined 600,000 yuan.

'Increasingly intelligent'According to Wang, tomb raiders tend to go online to search for information related to ancient burial sites, look for accomplices, make plans and discuss details of their crimes.