How to OEM your own smart products/PID?
Log in to the IoT platform, select the product that requires OEM on the "My Products" page: https://iot.tuya.com/pmg/list, and click "Manage Product-OEM Product" to get the link.
For details, please refer to the document center: https://developer.tuya.com/en/docs/iot/guidelines-for-platform/product-management/how-to-oem-products?id=K9734n0kq8js5