Gelonghui, March 11 | Beijing Cree (002350.SZ) said on the investor interactive platform that the subsidiary Cree Borun's high-voltage DC charging devices are used in supercapacitor energy storage streetcars and have been used in projects such as Guangzhou Haizhu streetcars and Wuhan Optics Valley T1 and T2 lines. The maximum charging power of the streetcar charging device is 1,620 kW, and a contact rail connection device is used to connect to the vehicle. Liquid-cooled charging piles currently have a maximum power of 600 kW per gun, and a charging gun is used to connect to the vehicle. The two are different products. Currently, Cree Borun has DC fast charging pile products for electric vehicles, and there are no R&D plans for liquid-cooled electric vehicle charging piles.