Green barriers refer to various measures that restrict or prohibit trade directly or indirectly adopted by some countries and international organizations to protect the ecological environment, the safety and health of humans, animals and plants through the formulation of environmental standards and regulations,A non-tariff trade barrier that affects trade.
According to the above definition, which of the following is a green barrier behavior?
More than 10 tons of cotton yarn sold to Europe by a textile import and export company stopped exporting due to detection of azo dyes banned in Germany