Dongguan Keguan Mechanical & Electrical Co., Ltd is affiliated with the Keguan Group.It specialized in researching, manufacturing, marketing and absolute sincerity service providing on evaporative air cooler, air fresher and Negative pressure fan for more than 10 years. At present, KEGUAN has offices and production bases in Guangdong Dongguan and Hubei Wuhan. It covers more than 20000 square meters. It is the most professional manufactuer on evaporative air cooler in China at this moment.