According to the report, Lenovo released a new Thunderbolt 4 docking station, the model is Lenovo Thunderbolt Smart Dock, the price has not yet been announced.
This docking station has rich interfaces and can connect 4 4K monitors or a single 8K monitor. There are two DP 1.4 ports, an HDMI 2.1 port, and a Thunderbolt 4 port that can output video on the docking station.
Other input interfaces include four USB 3.1 Type-A interfaces (10Gb/s), one of which can charge peripherals, and a network cable interface. Lenovo Thunderbolt Smart Dock can output up to 100W of power.
Additionally, Lenovo also released a USB-C docking station with a lower positioning and can connect to three 4K monitors.
(Source)