How to adjust the hot water in the sink of Zhefei Hotel?

Turn the water mixing valve switch. The washbasin of Zhefei Hotel adjusts the hot water by turning the water mixing valve switch. Hot water with a red label on the faucet is represented by H, and cold water with a blue label is represented by C. Zhefei Hotel is a high-end hotel brand of Platinum Group, which perfectly combines cafe culture with hotels. It is a social and fashionable atmosphere, which can accommodate various cultures and ideas.