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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryRetail & CommerceArt & Antique TradeSionAux 5 T - Geiser Cao Dinh
Aux 5 T - Geiser Cao Dinh Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company's core activity is the trade and marketing of high-quality teas, particularly Chinese and Japanese tea varieties. The company imports and distributes teas from selected producers and also offers tea tastings, tea ceremonies, and tea courses. Furthermore, the company combines tea culture with art and offers a gallery with artworks.

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Offering

Products & services

Industry:Art & Antique TradeRetail - Food & Luxury Items
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4.4/5

Aux 5 T - Geiser Cao Dinh

✓ Offered8
Teas
Black, green, white, yellow, oolong, smoked and scented teas, with rooibos and infusions; several Asian origins and selected grand crus.
Matcha
Ceremonial, premium, suprème and cooking matcha; versions from Jingshan and Kagoshima, for traditional drink, latte, smoothies, cooking and pastries.
Pu Erh
Raw and cooked Pu Erh, green Pu Erh tea, as well as Pu Erh from Yunnan and from the village of Jing Mai, with explanations for storage and preparation.
Tea introductions
Tea introductions in five colours with tasting of 25 different teas, discovery of the white, green, blue-green, red and multicolour families.
Tea ceremony and Gongfucha
Discovery of Gongfucha by appointment, with preparation of the tea using the Chinese method and a simple tasting of three to five teas with pastries and fruit.
Exceptional teas
Selection of white, green, oolong, pu erh and smoked teas, with infusion advice, temperature, infusion time and number of infusions possible.
Teapots, tableware and sundries
Teapots, cups, matcha bowls and other tea-related objects, presented as new items available in the shop.
Groceries
Sweets, specialities and spices: ginger candies, chocolate and matcha sablés, organic rice, nori seaweed, wasabi, soba, sesame, soy sauce, black cardamom.
Trust & reputation

ranQ Trust Score of Aux 5 T - Geiser Cao Dinh: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Aux 5 T - Geiser Cao Dinh scores 92.0 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.87.724%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.100.010%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.95.08%
Aux 5 T - Geiser Cao Dinh scores 78.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.55.07%
Aux 5 T - Geiser Cao Dinh scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).85.022%
Aux 5 T - Geiser Cao Dinh scores 4.9 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.4.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Aux 5 T - Geiser Cao Dinh reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.8 out of 5 stars from 101 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 101 reviews across all connected sources

Sources
GGoogle4.8101
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Rue de la Cathédrale 15
1950 Sion
Opening hours
Mon
10:00 - 12:00, 14:00 - 18:30
Tue
10:00 - 12:00, 14:00 - 18:30
Wed
10:00 - 12:00, 14:00 - 18:30
Thu
10:00 - 12:00, 14:00 - 18:30
Fri
10:00 - 12:00, 14:00 - 18:30
Sat
10:00 - 12:00, 14:00 - 17:00
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-109.833.538
Founded
2002 · 24 years
Last commercial register change
April 24, 2012
Employees
1 to 10
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
67.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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