What are non-traditional trade barriers?

Non-tariff barriers, also known as non-tariff trade barriers, refer to the sum of all policies and means used by a country's government to regulate, manage and control its foreign trade activities through various methods other than tariffs. Its purpose is to try to

Restrict imports to a certain extent to protect the domestic market and the development of domestic industries.

Non-tariff barriers can be roughly divided into two categories: direct and indirect: the former is where customs directly imposes restrictions on the quantity and variety of imported goods. Its main measures include: import quota system, import license system, and "automatic" export quotas.

system, export license system, etc.