2. Presidential brand (founded in the eighth year of Qing Emperor Kangxi (1669), a well-known trademark in China, a time-honored brand in China, a high-tech enterprise in Beijing, and Beijing Tongrentang Health Pharmaceutical Co., Ltd.)
3. Old experts (famous brands in Hong Kong, famous chain bird's nest brands in the Asia-Pacific region, top ten bird's nest brands, enterprises specializing in the development of health food, old experts international bird's nest group)
4. Ji Kang Jin Ge (brand started from 1848, one of the top ten brands of bird's nest, focusing on the operator of high-end nourishing bird's nest products, and Shanghai Chaotiandi Bird's Nest Products Co., Ltd. under Ji Kang Group).
5. Calendar (1964 Hong Kong's first bird's nest chain store opened, a famous brand in Hong Kong, one of the largest/most diversified bird's nest retailers in Hong Kong, Hong Kong Calendar Group).
6. Yan Sichao (born in 192 1, one of the oldest bird's nest brands, an international specialty store chain, Xiamen Yansichao Industrial Co., Ltd.)
7. Zhan Yan (established in 1964, an international health care company based on China health care, a famous brand in Hong Kong, a large international bird's nest chain brand, and Hong Kong Guanyanzhan International Co., Ltd.)
8. Sumen Zhipin (Zhipin Bird's Nest from Sumatra, Indonesia, one of the leading brands of bird's nest in the world, Sumen Zhipin Bird's Nest (Fuzhou) Co., Ltd.).
9.Brandt's (started from UK 1820, a well-known health care product brand in Asia, an influential brand of bottled bird's nest in the world, a leading health food enterprise, Shiyibu (Guangzhou) Co., Ltd.)
10, Shangguan Yan (high-end food chain enterprise specializing in bird's nest retail, member of Shenzhen Chain Store & Franchise Association, top ten brands of bird's nest, Shenzhen Shangguan Yan Food Co., Ltd.)