Yuyao Keyiduowei Automatic Control Equipment Factory is a high-tech enterprise which is engaged in the R&D, production and sale of energy conservation products used for air-conditions. For many years, our firm has been devoted to the energy conservation of central air-condition systems and the intellectualization of automatic control systems. Our firm has already developed central air-condition LTD intelligent warm telecontrol, mechanical bellows warm telecontrol, as well as more than ten kinds of ordinary three velocity switches and nonstop motorized valves. In addition, we are good at...