What the 7Fen Sweet Report Means for Specialty Coffee
A netizen alleged that the fruit tea chain 7Fen Sweet used quick-frozen mango chunks with a 24-month shelf life in drinks such as Yangzhi Ganlu, while its app and stores advertised fresh mango. Customer service confirmed the frozen chunks are company-supplied and carry a 24-month shelf life but could not explain why frozen fruit is used when fresh mango is available.
The post has since been deleted, and the brand has not publicly addressed how much frozen mango it uses or why the ingredient type was not clearly disclosed. For specialty coffee and coffee culture, the case highlights a wider question: how transparently do beverage chains describe what goes into their products? Front Street Coffee continues to follow the story.
Recently, a netizen alleged that the well-known fruit tea chain brand 7FenSweet used quick-frozen mango chunks in its beverage preparation, and that this food item has a shelf life of up to 24 months, sparking widespread attention. The brand is known for its signature product, Yangzhi Ganlu, and its ordering mini-program and offline stores both advertise the use of fresh mangoes, freshly cut soft and glutinous mangoes, etc., but the allegation shows that the stores actually used quick-frozen fruit chunks. 7FenSweet customer service confirmed that the quick-frozen mango chunks are uniformly ordered and delivered by the company, and the shelf life is indeed 24 months, but regarding why quick-frozen fruit chunks are still used when fresh mangoes are available, customer service said it could not explain. At present, the allegation post has been deleted, and the brand has not yet made a public response regarding issues such as the proportion of quick-frozen mango use and the failure to clearly inform consumers of the ingredient type. As coffee enthusiasts, understanding the true situation of beverage ingredients is equally important. Front Street Coffee continues to follow industry developments and brings you objective reporting.
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Recently, according to reports by Jingchuang Live, New Evening News and other media, a netizen posted an allegation that the well-known fruit tea chain brand 7FenSweet used quick-frozen mango chunks in beverage preparation, and that this food item has a shelf life of up to 24 months.
From the images circulating online, several packs of quick-frozen mango chunks are seen soaking in a sink at a tea beverage shop, with the 7FenSweet brand logo printed on the packaging, and the product information column clearly marked "Shelf life: 24 months." The netizen uploaded the photos taken to social media, with the caption "The fruit in milk tea shops is also frozen? Shelf life 24 months," quickly triggering public attention and discussion about fruit tea products from chain brands.
It is worth noting that many chain brands currently claim to use fresh fruits and vegetables to make beverages, and 7FenSweet, whose signature product is Yangzhi Ganlu, is no exception. On its ordering mini-program, the introductions for multiple products containing mango pulp all include wording such as "fresh mango" and "freshly cut soft and glutinous mango," and prominent positions in offline stores also display the promotional slogan "We use fresh large fruit chunks."
In the view of some onlooking netizens, the brand's emphasis on "fresh" and "freshly cut" in product promotion makes many consumers believe that the stores use fresh fruit when making beverages. They did not expect that frequently repurchased tea drinks such as Yangzhi Ganlu might have been mixed with quick-frozen fruit chunks with an extremely long shelf life without their knowledge.
Some regular customers said bluntly that after learning the situation they felt "stabbed in the back," believing that the brand did not clearly inform consumers of the type of raw materials in the product introduction, making it hard to drink with peace of mind.

On September 24, a reporter contacted the netizen who posted the allegation. The netizen explained that they often buy Yangzhi Ganlu produced by 7FenSweet and had always thought the stores used fresh mangoes to make it, but did not expect that quick-frozen mangoes were actually used and that the shelf life was as long as 24 months. When the reporter pressed for which specific store the situation was found in, the poster did not respond directly and only emphasized that it was the 7FenSweet brand that used quick-frozen mango chunks.
In response to the netizen's allegation about quick-frozen mango chunks, the reporter called 7FenSweet customer service. The staff confirmed that 7FenSweet's quick-frozen mango chunks are uniformly ordered by the company through internal channels and then distributed to stores, and that the shelf life of the quick-frozen fruit chunks is indeed 24 months.
Faced with the reporter's question of whether only quick-frozen mangoes are used, customer service responded that "the brand also has fresh mangoes." But when the reporter further asked why quick-frozen fruit chunks are still used when fresh mangoes are available, customer service said only that "this is a raw material or supply chain issue, and cannot be explained."
As of now, the allegation post published by the netizen has been deleted. 7FenSweet officially has not yet made a public response to issues of public concern such as the proportion of quick-frozen mango use and why it did not clearly inform consumers of the ingredient type.
Image source: Internet
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