In 1999 alone,China examined 568 such import and export cases,and 35 cases of illicit trading were discovered and curbed. As a result,3,380 tons of chemical products were withheld from export.

• 仅1999年，中国就办理进出口核查568件，发现、制止了35起非法贸易，阻止了3380吨易制毒化学品出境。