Invested by the government of dongfengxiang, chaoyang district, Beijing, dongfeng flower center, with a total construction area of 11500 square meters, is the only largest flower trading market in east Beijing integrating flower exhibition and sales and the display, sale, wholesale and import and export of its ancillary products.The 3,600 cubic meters cold storage project adopts refrigeration system plus fresh air system. The outdoor unit is bizer semi-closed compressor unit, which has a low failure rate in operation for many years.