Since established, Dongguan Keguan Mechanical and Electrical Co., Ltd. (KEGUAN) has been specialized in R&D, manufacturing, marketing and absolute sincerity service of evaporative air cooler products and created own brand-GRNGE. To strengthen market competitive power, in 2012, KEGUAN introduced Midea Group's products, technology, equipment, professional talents and market resource of their Evaporative Air Cooling program. Based on technology advantage, KEGUAN made further integration of ...