On the afternoon of April 20, 2015, the 2015 Corporate Technology Work Conference was held in the conference room of Guangzhou Xingji Hot and Cold Electric Appliance Co., Ltd. Mr. Gui Shangcun, our special guest, Professor Qian Yu from South China University of Technology, Mr. Chen, the company's technical consultant, Dr. Gao Xuenong, and relevant department heads and key technical personnel attended the meeting.