1. According to the inquiry of Jintou. Tar asphalt (CNNo. 6 1869) belongs to the sixth category of toxic substances and infectious substances in the List of Hazardous Chemicals (No.1) published by the State Administration of Work Safety in 2003, 1. List of Dangerous Goods (GB 12268-2005) Tar Asphalt International Number 1999.

2. Asphalt can be transported by sea, which is a common long-distance transportation mode. In maritime transportation, asphalt is packed in containers or ships in bags or bulk. Maritime transportation usually needs to pass through ports in many countries and regions, so cultural differences, customs supervision and other issues need to be considered during transportation.