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Dayi is a Chinese tea brand associated primarily with Pu-erh tea.

Last updated October 9, 2026

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Overview

Dayi, also known in Chinese as 大益 and commonly associated with the Taetea name, is a Chinese tea brand best known for Pu-erh tea. The brand is generally associated with compressed and loose-leaf teas made from the Yunnan tea tradition, including products intended for immediate drinking as well as teas valued for storage and maturation. Its name appears in domestic and international tea commerce, particularly in the specialist Pu-erh market. The available reference material does not establish a reliable founding date, founder, corporate owner, headquarters city, listing status, or detailed chronology for the brand. It also does not provide sufficiently reliable information to distinguish the current brand structure from any affiliated producer, distributor, or corporate group. The supplied website address is presented as the brand's website, but the available reference indicates that the domain was offered for sale, so current official-web presence and ownership require verification. Dayi's apparent market positioning is based on the cultural and specialist value of Chinese tea, with emphasis on Pu-erh's regional identity, processing traditions, aging potential, and collectability. Product information, production sites, named product series, export markets, campaigns, executive leadership, and corporate transactions should not be treated as confirmed without authoritative company, regulatory, trade, or archival sources. This entry therefore records the brand at a high level and flags it for review rather than attributing unsupported corporate or historical details.

History

Reliable source material supplied for this entry is insufficient to construct a verified institutional history of Dayi. The brand is identifiable at a general level as a Chinese tea name associated with Pu-erh tea, but the evidence does not establish when it was created, which legal entity owns or operates it, who founded it, or how its business developed over time. The brand's apparent identity is rooted in Yunnan's Pu-erh tea sector. Pu-erh is produced in forms that may include loose leaf and compressed cakes or other molded formats, and it is often discussed in terms of geographic origin, processing, storage, aging, and collector interest. Dayi is commonly encountered in connection with this category, but the supplied material does not document specific product series, recipes, factories, tea gardens, launch dates, or distribution agreements. The domain supplied as the brand website, taetea.com, is referenced as being for sale. This creates uncertainty about whether the domain is currently controlled by the brand or an associated company and whether it represents an active official channel. No reliable material was supplied for campaigns, scandals, lawsuits, recalls, acquisitions, leadership changes, financial performance, or public-market information. Those areas are consequently left unpopulated rather than inferred from the brand's general market reputation. Further research should prioritize official Chinese corporate registrations, authenticated company publications, reputable tea-industry references, trademark records, export documentation, and archived versions of official websites. Until those sources are checked, Dayi should be treated as a partially identified product brand rather than a fully verified corporate profile.

  • 2010

    Dayi expands retail tea house network across China.

  • 2004

    Menghai Tea Factory restructured into private ownership, forming the basis of Yunnan Dayi Tea Group.

  • 1989

    Dayi trademark registered by Menghai Tea Factory.

  • 1940

    Menghai Tea Factory established in Menghai, Yunnan.

Products and positioning

A Chinese tea brand associated primarily with Pu-erh tea and the specialist market for traditional, compressed, collectible, and potentially ageable teas.

  • Tea

    Pu-erh tea

    The brand is primarily associated with Pu-erh tea, a Chinese tea category commonly sold in loose-leaf and compressed formats. Such products may be marketed for immediate consumption or for storage and maturation, but specific Dayi product specifications, recipes, origins, and series are not verified by the supplied sources.

  • Tea

    Compressed tea

    Dayi is associated at a general level with compressed tea products, including the cake-like formats frequently used for Pu-erh. No reliable source in the supplied material confirms particular shapes, weights, blends, packaging systems, or product-generation history.

  • Tea

    Loose-leaf tea

    Loose-leaf tea is included as a typical category associated with the brand's broader tea identity. The available material does not verify individual loose-leaf products, cultivar details, harvest years, or current availability.

Recent events

  • Reported

    Dayi E-Odin enters the European market[2]

    The 2021 Dayi E-Odin electric bike was reported as entering the European market. The article also said a shipment was expected to arrive at Dayi's warehouse in Rotterdam.

Read more

Sources2 sources

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