The Aqara Smart Curtain Companion E1 is available to pre-order in China. The device is compatible with Apple HomeKit, plus it supports Zigbee 3.0. You can use the smart adapter to open or close your curtains remotely, at a specific time or based on the intensity of light that the E1 detects.
https://www.notebookcheck.net/Aqara-launches-the-E1-smart-curtain-adapter-that-supports-Apple-HomeKit.614662.0.html