On Tuya IoT Development Platform's Privacy Page you can request and collect all the privacy and GDPR related information that Tuya IoT Development Platform is providing.
The privacy policy by is a legal document or statement that discloses how Tuya IoT Development Platform gathers, uses, discloses, and manges their customers' data.
The basis for Tuya Smart 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.