Jinhefeng industrial electrical Co., LTD has been doing research and development, manufacture sell in china for more than 10 years. We supply a broad range of liquid sensors andtemperature sensing switchs that widely used in the water boiler ,water heater ,drinking fountain, air condition, bathroom equipment visual printing machine ,generator equipment ETC. JHF can also provide OEM/ODM services Our goal is to provide our clients with quality products efficiently by concentration and professionalism.