Guangxi, South Ningzheng Ling professional installation of the factory ventilation and cooling equipment, water-cooled air-conditioning: less investment, performance and big savings of more than 80% of electricity (about 25,000 yuan per 1000 square meters of investment than traditional air-conditioning compressor, per hour of electricity is less than 7 degrees); cooling effect is very obvious on the high-temperature space place, by cooling the indoor temperature at about 24-28 ° C, very good air circulation; air-conditioning large and wide coverage area