1, Dong 'e Ejiao (a listed company, a relatively large Ejiao manufacturer in China, a well-known trademark in China, a leading enterprise, a national intangible cultural heritage, Shandong Dong 'e Ejiao Co., Ltd.)
2. Fupai Ejiao (China Time-honored Brand, Shandong High-tech Enterprise, Shandong Famous Trademark, Shandong Famous Trademark, Ejiao Industry Influential Brand, Shandong Fujiao Group Co., Ltd.)
3. Tongrentang (a well-known trademark in China, a time-honored brand in China, a high-tech enterprise and a famous brand, Beijing Tongrentang (Group) Co., Ltd., which began in the eighth year of Qing Emperor Kangxi (1669)).
4. Hongjitang (China Time-honored Brand, a leading pharmaceutical circulation enterprise in Shandong Province, one of the top ten Ejiao brands, Shandong Hongjitang Pharmaceutical Group Co., Ltd.).
5. Jiuzhitang (founded in the seventh year of Qing Shunzhi (1650), a well-known trademark in China, one of the comparative cultural brands in China, a time-honored brand in China, Jiuzhitang Co., Ltd.)
6. Guojiaotang (national high-tech enterprise, director of Shandong Ejiao Industry Association, well-known Ejiao brand, Shandong Dong 'e Shimeisheng Ejiao Health Care Co., Ltd.)
7. Schleswig (China well-known trademark, Chinese time-honored traditional Chinese medicine enterprise, Shanghai export famous brand, Shanghai high-tech enterprise, Shanghai Leiyunshang Pharmaceutical Co., Ltd.)
8. Hu Qingyutang (founded in 1874, a time-honored brand in China, a well-known trademark in China, a well-known firm in Zhejiang Province, a national key Chinese patent medicine enterprise, and Hangzhou Huqingyutang Pharmaceutical Co., Ltd.)
9. Huaxin HXZY (high-tech enterprise, well-known brand of Ejiao, governing unit of Shandong Ejiao Industry Association, large-scale comprehensive pharmaceutical enterprise, Shandong Huaxin Pharmaceutical Group Co., Ltd.)
10, Gongxitang-the source of gelatin (Shandong famous brand product, well-known brand in domestic health care Ejiao industry, key leading enterprise in agricultural industrialization city, Shandong Dong 'e Dongfang Ejiao Bioengineering Co., Ltd.)