Selected in Japan

Natural water from Japan
For the world

We bring selected Japanese products to overseas markets, starting with Hita Tenryosui, natural water from Oita.

HITA · OITA · JAPAN

33°19′N
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How we select

Japanese quality
Chosen with care

We select products with a clear origin and documented quality, then help overseas partners understand the range and plan their imports.

01

Careful product selection

02

Quality backed by reports

03

Lasting partnerships

Illustration of the Hita water cycle Hita, Oita, Japan

Hita in Oita

Shaped by nature over time

Rain falls across the mountains surrounding Hita, travels slowly through layers of earth, and gathers below the basin. This long natural passage creates water with a gentle, refined character.

Oita
Source prefecture
≈ 8.3
Weakly alkaline pH*
29–30
Hardness mg/L*
2025 reports: PET hardness 29 mg/L; bag-in-box 30 mg/L. Natural values vary by sample.

The source, seen from above

Natural surroundings
Careful production

An aerial view of the Hita Tenryosui facility, surrounded by the forests, mountains and waterways of Oita.

Aerial film · Hita Tenryosui facility, Oita
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The Hita Tenryosui collection

Good water
Every day

From a glass at home to a bottle on the go, explore seven sizes of Hita Tenryosui for everyday drinking.

01
Hita Tenryosui 500 millilitre bottle

Everyday · Retail

500 ml PET

Compact format for premium daily hydration.
02
Hita Tenryosui 2 litre bottle

Home · Table

2 L PET

A generous table and household format.
03
Hita Tenryosui 10 litre bag in box

Family · Workplace

10 L BIB

Convenient bag-in-box format with integrated tap.
04
Hita Tenryosui 12 litre bag in box

Hospitality · Home

12 L BIB

A larger format designed for shared use.

Looking for case configuration, pallet specifications or export terms?

Request product details
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Quality and analysis

Know what is in your water

Explore the original English-language reports on water composition and related measurements. Each report identifies the sample, test method and date.

Active hydrogen assay result

422 ppt DBNBS assay · Kyushu University · Jan 2025

Ionic silica

82 mg/L TOYO Environmental Laboratory · Nov 2024

Sodium

22 mg/L PET full-item analysis, 2025

Laboratory values describe tested samples and are presented for product information only. They do not constitute medical or therapeutic claims.

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Selected awards

ITI Superior Taste Award · Three Stars

Awarded to Hita Tenryosui 500 ml for the 17th consecutive year.

Omotenashi Selection

Recognised as a product expressing the spirit of Japanese hospitality.

Japan Food Selection · Grand Prix

The highest distinction in the December 2024 selection.

Monde Selection · Gold Award

Third consecutive Gold Award, together with the Crystal Prestige Trophy.

Diamond Taste Award

Presented after earning the ITI three-star distinction seven times within ten years.

Crystal Taste Award

Received alongside a third consecutive ITI three-star Superior Taste Award.

International High Quality Trophy

Received with a second consecutive Monde Selection Grand Gold Award.

Award history follows the producer’s published records and the certificates shown here.

AOYAMA International

Japanese products
Global partnerships

Based in Tokyo, AOYAMA International exports selected Japanese products. We help distributors, retailers and hospitality partners with product information, order planning and export coordination.

Singapore Taiwan Hong Kong Asia Pacific Worldwide
Company
AOYAMA International Co., Ltd.
株式会社青山
Business
Export, distribution and market development of Japanese products
Address
3-20-10 Sakuragawa, Itabashi-ku, Tokyo 174-0075, Japan
Phone
+81 3-4363-1310
Email
kabushikiaoyama@gmail.com
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Working with us

From your first enquiry
To your market

  1. 01

    Discuss your market

    Tell us where you sell, your sales channels and the products you are interested in.

  2. 02

    Confirm the order

    Together, we confirm packaging, quantities, product documents and trading terms.

  3. 03

    Arrange the shipment

    We coordinate shipment preparations and the product information needed for import.

  4. 04

    Build the partnership

    We stay in touch about repeat orders and opportunities to develop your market.

Begin a conversation

Bring Japanese quality
To your customers

Interested in importing or stocking our products? Tell us about your business, market and requirements.

This opens your email app with a draft. Please review it and send it from there. If no app opens, email us directly at kabushikiaoyama@gmail.com.