12
2019-06
Dangerous chemicals and dangerous goods belong to different concepts. So how do they distinguish? How are the regulatory conditions different? Ⅰ . Different sources of regulation Article 3 of the regulations on the safety administration o
06
2019-06
1. What is certificate of origin? A certificate of origin is a document issued in accordance with the relevant rules of origin to prove that the export goods originated in the country or region. Because it can prove the economic nationality