相关链接：http://www.customs.gov.cn/customs/302249/302266/302269/1468091/index.html

General administration of customs notice no. 19 of 2018 (Notice concerning the expansion of the reform of the regulatory mode of processing trade by enterprises)

相关链接：http://www.customs.gov.cn/customs/302249/302266/302267/1470106/index.html

General administration of customs notice no. 20 of 2018（Notice relating to the application of anti-dumping measures against methyl methacrylate for the declaration of goods no.）