China Corporation Register of Shipping CR code 是什么鬼？

[wuruxu]

在 Yubico 网上买了几个 Yubico Key ，今天发邮件告诉我，要 CR Code
这我该怎么处理呀？
Thank you for your order. For shipments to China, we must provide UPS with your China Corporation Register of Shipping CR code to avoid any delivery delays with Chinese customs. We are unable to successfully ship to China without this registration number.

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海关清关进口货物用的。个人估计申请不到