Color classificationGreen ((Only for foreign trade export sales, no domestic sales, purchase is the same as the default)

Green ((Only for foreign trade export sales, no domestic sales, purchase is the same as the default)Blue ((For foreign trade export sales only, no domestic sales, purchase is the same as the default)Purple ((Only for foreign trade export sales, no domestic sales, purchase is the same as the default)Yellow ((For foreign trade export sales only, domestic sales prohibited, purchase equivalent by default)