In 1956, Nam Phuong Bank Co., Ltd. was founded in Chengzhong District, Taipei City, Taiwan Province. It was originally a pharmaceutical importer in Taiwan Province after World War II, and its business was to manage Japanese medicines on behalf of

. In October 1964, Nam Phuong Bank became a rare pharmaceutical company in Taiwan Province, and set up a factory in Shulin Industrial Zone, Shulin City, Taipei County, a suburb of Taipei.

It was renamed Dongda Pharmaceutical Co., Ltd. Soon after, and its main drugs were Lipang Liquid and Fanta Liquid, which are still quite famous in Taiwan Province.

in p>1968, dongda pharmaceutical attempted to transform itself and changed its name to "dongda United co., ltd.", with biscuits and snacks as its goal. After considering < P >, the consumer age group of this biscuit product is set as children. The first dim sum product named "Guaiguai", in addition to cartoon stickers and plastic toys, is the most representative image of Guaiguai biscuit's trademark doll "Guaiguai". According to the founder of the company, the blueprint of the trademark doll comes from

the most amusing and well-known Huang Junxiong puppet show character "Ha Ma Er Teeth" in Taiwan Province in 196s, with Mexican costumes with big cloaks and hats.

In p>1969, "Guaiguai" series products went on the market, and then "Peacock Biscuit" series products and "7 chewing gum" series products went on the market.