First, apply for a domestication and breeding license.
Two, to the local province (city) Forestry Bureau for forestry license.
Three, to the State Border Management Office for the issuance of the notice.
Fourth, card.
This requires you to have a series of certificates such as import and export rights (company) and mutual agreement.
If you want to do this kind of import trade for a long time, you can try to apply for the qualification of importing crocodile skin yourself, but the time is too long. If it's just once, it's totally unnecessary. You can find some companies with crocodile skin import and export qualifications as agents. Ordinary customs declaration and import freight providers can't do it.
The import of ostrich skin is relatively simple, but personally, there is no market for ostrich skin.