1. Beiyu-Qinglong (national leader in the jade carving industry, selected into the national intangible cultural heritage list, one of the largest jade production bases, Beijing Jade Factory Co., Ltd.).

2. Yuyuan (founded in 1956, a Chinese time-honored brand, a national protected trademark, a famous brand product in Jiangsu Province, selected into the National Intangible Cultural Heritage Representative List, Yangzhou Jade Factory).

3. Colorful Yunnan (national protected trademark, once awarded China Famous Brand, leading brand in the domestic jewelry industry, top jade brand, Kunming Colorful Yunnan Industrial Co., Ltd.).

4. Dongfang Jinyu (currently the only listed company in the domestic jade industry, the largest domestic jade raw material supplier and jade jewelry manufacturer, Dongfang Jinyu Co., Ltd.).

5. Lao Fengxiang (started in 1848, has been awarded Chinese Famous Brand, Chinese Time-honored Brand, Large Jewelry Enterprise Group, Top Ten Jewelry Brands, Top 500 Asian Brands, Shanghai Lao Fengxiang Co., Ltd.).