
Water Japan Co., Ltd.
Company Profile
Our Mission: “Proposing a Comfortable Life”
Corporate Philosophy
- Quality First Principle: Pursuing the improvement of product quality, employee quality, and management quality.
- Co-existence and Co-prosperity: “Good for the seller, good for the buyer, good for society” (Sanpo-yoshi) — Creating benefits for all three parties.
Business Activities
Water Business Division
- Drinking Water Delivery (Reduced Water / Alkaline Ionized Water)
- Water Ionizers (Electrolysis Generators)
- Water Sterilization (Hypochlorous Acid Water)
Insect Repellent Products
- Harusa Guard (Wearable Insect Repellent)
Direct Store & Showroom


Experience our Water Ionizers that generate Reduced Water and our “Harusa Guard” wearable insect repellent at our showroom in Koza, Okinawa City.
Location
Address: 3-15-3 Chuo, Okinawa City, Okinawa Prefecture, 904-0004 (View on Google Maps)
Business Hours
Weekdays: 9:00 a.m. – 6:00 p.m.
Saturdays: 9:00 a.m. – 12:00 p.m.
Closed: Saturdays, Sundays, and Public Holidays
Contact Us
For phone inquiries, consultations, and orders, please call us toll free at 0120-390-491 or 098-938-6474 between 9:00 a.m. and 6:00 p.m. on weekdays. You can also contact us 24 hours a day via our inquiry form, even outside of business hours.
