In November 2021, the Mudanjiang Border Management Detachment obtained a clue that Zhao Moulong in Dongning City, Heilongjiang Province was suspected of committing illegal and criminal activities. The next day, the detachment and the Suifenhe Customs Anti-Smuggling Branch jointly established a special case team to file a case for investigation.
So far, the police have seized a total of 187 antelope horns, 811 bear bile, and 24 musk incense, with a case value of 10.6588 million yuan.