GUANREN Environmental Protection & Technology CO.,LTD with 5 million registered capital is located in Fuzhou,Fujian, China. We are a high-tech enterprise specializing in new green concept evaporative air cooler and infrared radiant heater,which are energy saving and environment protecting. There is a profound professional research team. We develop the global market with "self-reliant innovation. The evaporative air cooler has obtained many patents, which passed the authoritative certificates ...