A ：

1. They must be healthy seeds without soil.
2. The packages must be clean and invulnerable.
3. The surfaces of the packages need to mark the species of seeds, the destination, net weight, and the exporter s name.
4. You need to apply for the export quarantine with the invoices and the application forms.
5. If there are the special regulations in import country, you must follow the regulations to conduct the export.