the Book mainly according to the relevant contents of such national compulsory standards as: Classification and Code of Dangerous Goods (GB 6944—2012), List of Dangerous Goods (GB 12268—2012), Excepted Quantities and Packing Requirements of Dangerous Goods (GB 28644.1—2012), Limited Quantities and Packing Requirements of Dangerous Goods (GB 28644.2—2012)  and Classification and List of Peroxides (GB 28644.3—2012)  and the national standard Packing Symbol of Dangerous Goods (GB 190—2009). National compulsory standards are the national technical laws and regulations. 

Ministry of Transport of the PRC