Under the Provisions on the Administration of Road Dangerous Goods Transport (MOT Order 2013 No. 2, as amended) and the Work Safety Law of the PRC, which mandatory insurance must dangerous goods transport enterprises purchase for their fleet vehicles?

1. Carrier Liability Insurance (承运人责任险) and Work Safety Liability Insurance (安全生产责任保险)
2. Only domestic personal travel luggage loss insurance
3. Foreign exchange currency fluctuation insurance
4. Maritime piracy ransom insurance for inland mountain roads