1, Qicai Yunnan (a national protected trademark, once won a well-known trademark in China, a leading brand in the domestic jewelry industry and a top jade brand, and Kunming Qicai Yunnan Industrial Co., Ltd.) 2. Zigong Yu Fang (an advanced unit of China Time-honored Brand, the earliest brand in China Zhuoyu, a leading enterprise in the jade industry, affiliated to Suzhou Zigong Yu Fang Arts and Crafts Co., Ltd.) 3. Nuoyuzong Building (a well-known brand in China) is affiliated to Tangren (Beijing) in Shi Sheng. Oriental Jinyu (currently the only listed company in the domestic jade industry, the largest jade raw material supplier and jade jewelry manufacturer in China) 6. Lao Fengxiang (started from 1848, once a large jewelry enterprise group, top ten jade brands, top 500 Asian brands, Shanghai Laofengxiang Co., Ltd.) 7. He Yuyuan (a national protected trademark, a professional enterprise integrating Hetian jade mining /R&D/ design/processing/sales, Beijing He Yuyuan Hetian jade gemstone Co., Ltd.) 8. Huang Cheng (national protected trademark, well-known brand in jewelry industry, large enterprise specializing in jewelry and jade, Shanghai Huangcheng Jewelry Co., Ltd.) 9. Kunyu (a national protected trademark, a famous brand in Qinghai Province, a large enterprise integrating the mining, processing and sales of Kunlun jade, Qinghai Kunyu Industrial Investment Group Co., Ltd.) 10, Yangmeiyu (a large domestic jade jewelry enterprise group, one of the largest jade processing and production bases in China, and selected as a national intangible cultural heritage list, Yangmeiyu Group).