As the co-organizer of the conference, Du Sufeng, chief engineer of wine and beverage division of Shanghai Joy Light Industry Machinery Co., Ltd., was invited to attend the special conference on "development and new technology of fruit and vegetable functional food" and made a special report - the innovation and upgrading of fruit grain wine brewing equipment, and comprehensively described the intelligent brewing equipment of traditional liquid food fermentation. Mr. Du's wonderful on-site sharing aroused wide resonance among experts and scholars attending the meeting, and was highly recognized and praised by everyone.