https://ecipe.org/wp-content/uploads/2023/04/ECI_23_PolicyBrief_04-2023_LY01.pdf
https://insightcrime.org/investigations/synthetic-silk-road-tracing-china-grey-market-precursor-chemical-trade/
https://static.europeanchamber.com.cn/upload/documents/documents/Executive_Position_Paper_2019_2020%5B757%5D.pdf