Yida Extra Wrigley Candy (China) Co., Ltd., Extra Yida, founded in USA 1984, is a well-known brand of chewing gum and a well-known brand in sugar-free chewing gum industry, and is one of the largest chewing gum manufacturers and distributors in China. Yida is 1984 the first sugar-free chewing gum introduced by American Wrigley Company, and it has become the first brand of sugar-free chewing gum in the world in just five years. In China, Wrigley Company took the lead in launching "Yida" sugar-free chewing gum in Guangdong, 1996. At present, the sales network of "Yida" sugar-free chewing gum has covered more than 300 cities in China, which is favored by consumers in China. Yida China Development Memorabilia 1996 "Yida" sugar-free chewing gum was listed in China, tried in Guangdong market, and then introduced to Shanghai and Zhejiang markets in the following year. In 2000, Yida sugar-free chewing gum landed in Beijing. 200 1, "Yida" sugar-free chewing gum comes on the market with blueberry flavor. After two rounds of marketing activities in March and August, Yida sugar-free chewing gum has covered major cities in China.