Hello! There are many long-established brands of rice dumplings with authentic flavors in China, and here are some popular choices:

1. Zhi Boss: Started in 1887, Zhi Boss is a representative brand of Huzhou rice dumplings. Known for its traditional Jiahu fine-pointed Jiangnan flavor, the meat dumplings are meaty in the mouth and freshly fragrant and glutinous, making them famous in the Jiahu-Shanghai-Hangzhou area.

2. Tongqinglou: Founded in 1925, Tongqinglou is a well-known trademark in China and a privately-owned listed catering company. The famous chef of Tong Qing Lou's dumplings with stinky Mandarin fish, braised pork and other signature dishes into the dumplings, unique flavor.

3. Wufangzhai: As one of the old Chinese brands, Wufangzhai comes from Jiaxing, and its zongzi are popular among consumers for their traditional craftsmanship and flavor.

4. Zhen Zhen Lao: This is a brand that focuses on the production of zongzi, its zongzi are soft and sticky with rich fillings and unique flavors.

5. Zhiwei Guan: Zhiwei Guan is a long-established restaurant brand in Hangzhou, whose zongzi are made by traditional craftsmanship, with delicate texture and diverse flavors.

6. Sanquan: Sanquan is a well-known food brand whose dumplings are made with high-quality raw materials, which are tasty and nutritious.

7. Hapkoumi: Hapkoumi is a long-established brand in Guangdong, and its zongzi are mainly made in Cantonese flavor, with unique taste and moderate sweetness and saltiness.

8. Taoxiangcun: Taoxiangcun is a pastry brand with a long history, its dumplings are soft and sticky, with rich fillings and a variety of flavors.

Overall, when choosing zongzi, in addition to the brand's history and reputation, one should also consider personal taste preferences, such as sweet zongzi, salty zongzi, meat zongzi or bean paste zongzi. In addition, the packaging and shelf life of the rice dumplings can also be considered when purchasing to ensure freshness and hygiene. Whether for your own enjoyment or as a holiday gift, these brands of rice dumplings are a good choice. Hope to adopt!!!