China (Laiwu) International Ginger Industry Science and Technology Expo is the only ginger industry exhibition brand in China, aiming to build the country's largest ginger planting, processing, trading, research and development base. Since 2008, Laiwu District has successfully held four sessions of ginger industry science and technology Expo, "Laiwu ginger, health" brand has been renowned at home and abroad. Jiang Expo held 8 rich and colorful cultural activities before and during the expo. Among them, the "Manhing Cup" image Ambassador selection is the most eye-catching. More than 400 players from three regions participated in the image ambassador selection, including two foreign players. Zhang Xiaowei from Zaozhuang won the championship.