Wu Huaqing examines the fermentation of soy bean at his company in Quanzhou, southeast China's Fujian Province, April 29, 2019. Wu Huaqing, born in the 1990s, is a third generation inheritor of Xiaowutang soy sauce, a traditional local product. Taking over the techniques from his grandfather Wu Zongzhong for five years, he strives for innovation while sticks to the tradition to make quality soy source, as result, he succeeded in selling his product through the internet to foreign countries as Philippines, Singapore and Vietnam. (Xinhua/Lai Jincai)