Computer with HA is equipped with a ConBee II as a controller. I can integrate several smartplugs and sensors. But the two gateways/routers linked below are not even recognized when scanning for new devices. With SmartLife app on smartphone they are discovered and work, but I think, here the discovery works over Bluetooth.
The devices you link appear to be or include Zigbee coordinators, same function as your ConBee II. They probably aren’t intended to be controlled nodes of an existing Zigbee mesh, they are designed to establish and control their own mesh.
In other words, you’d need an integration that isn’t ZHA in order to integrate these devices into Home Assistant.
Why would you want to integrate these devices? If you already have a coordinator?
I thought I could use these devices as a kind of repeater. But I think, a Zigbee network doesn’t work in the way a “normal” wifi network does. At least not concerning repeater-only devices.