On Alibaba Key Management Service's Privacy Page you can request and collect all the privacy and GDPR related information that Alibaba Key Management Service is providing.
The privacy policy by is a legal document or statement that discloses how Alibaba Key Management Service gathers, uses, discloses, and manges their customers' data.
The basis for Alibaba sharing, adding, uploading, hosting, accessing or sending personal data out of Europe. Vendors can also add a description of their own impact assessment for data transfers.