Onsensui 99 officially starts construction of "Third Factory" in Tarumi, Kagoshima

~To more stably deliver “Japanese natural alkaline ultra-soft water” to the world~

Hot spring water 99 (ONSENSUI 99) has been planned for many years in Tarumi City, Kagoshima Prefecture. Third factory (new factory) Construction work has officially begun.
This is an important project that aims to protect the source water of Tarumi Onsen, where the brand was founded, and provide a stable supply to as many customers as possible.

■ Factory No. 3 The site where construction has begun

Photo ①: Third factory planned site (Sakurajima in the back)
The new factory is designed to complement existing manufacturing facilities and be scaled to meet growing international demand.
In order to protect Tarumi Onsen's underground water veins, construction is underway with a structure that meets environmental and safety standards.

Photo ②: Foundation work
Driving steel sheet piles to a depth that reaches stable ground underground,
Important foundation work to support the quality of Hot Spring Water 99 has begun.

■ Why is the third factory necessary?

In the global market, “Japan's super soft water (hardness 1.7) x natural alkaline pH 9.9” is attracting increasing attention every year.
Particularly overseas, demand is rapidly increasing, especially in the beauty and wellness markets, and building a stable supply system is an urgent need.

The following enhancements are planned for the third factory:

• Increasing international shipping volume (optimizing Container Unit compatibility)

• Improving the efficiency of manufacturing and filling lines and improving the quality control level

• Securing production capacity for long-term brand growth

• Contributing to local job creation and regional revitalization in Kagoshima

■ Protecting the “source” of hot spring water 99 and delivering it to the world

In order to protect the rich natural environment of Tarumi Onsen, we
Same as before "Do not collect excessive water" I will maintain this attitude.
The third factory is one of our efforts to achieve both quality and environmental protection.

■ Representative message

“We have officially begun construction of our third factory in Tarumi City, Kagoshima Prefecture.
This new step demonstrates our strong determination to deliver "Japan's natural alkaline ultra-soft water" to customers around the world more safely, sustainably, and with reliable quality than ever before. ”
— Onsensui99 Team

“We are honored to announce the start of construction for our Third Factory in Tarumizu.
This milestone marks our commitment to delivering Japan’s finest natural alkaline soft water
to customers around the world—safely, sustainably, and with unwavering quality.”
— ONSENSUI 99 Team

■ Future schedule

• 2025: Foundation work/construction of main structure

• 2026: Production line introduction and test operation

• Late 2026: Full-scale operation scheduled (strengthening domestic and international shipping lines)

We will keep you updated on the progress on the Onsensui 99 global website and SNS.