With the continuous upgrade of the new coronavirus epidemic, masks have become the latest hotspot in global trade. With the production impact of other countries around the world due to the closure of the country, the global demand for masks is increasing by a factor of 100 over the same period! China has become a mask factory all over the world! So, how to successfully buy a large number of high-quality Chinese masks all over the world, what qualifications do enterprises need, what are the restrictions on exports, export declarations and customs clearance, and what requirements do other countries have for masks... These have become Chinese exports and Logistics companies are most concerned about and most troubled!