What SANEI does

SANEI Ltd. (三栄水栓製作所, stock code 6230) is a publicly traded Japanese manufacturer of water supply and drainage equipment, founded in 1954 and headquartered in Osaka. The company designs, manufactures, and sells a comprehensive portfolio of faucets (mixer, sensor/touch, and single-lever), shower heads, washbasins, valves, plumbing systems, and related accessories, with proprietary Ultra Fine Bubble (SMART FINE BUBBLE) technology applied across multiple product lines. SANEI was the first Japanese manufacturer of two-valve shower mixing faucets (1967) and operates vertically integrated domestic production at the Gifu Factory (est. 1980), with 827 consolidated employees and three wholly-owned subsidiaries including Dalian San-Ei Faucet Co., Ltd. in China.

The company's go-to-market combines enterprise field sales through a nationwide network of 20+ regional sales offices and three logistics centers, channel partner distribution via hardware stores, home improvement retailers, and building material wholesalers, and direct-to-consumer sales through the SANEI MALL online store. Customer segments span residential end users, construction and housing manufacturers, architects and interior designers (served by 10+ designer sub-brands including SUTTO, MONOTON, YORI SUTTO, Morfa, and roffine), and commercial/non-residential end users requiring durable sensor and touch fixtures. Revenue mechanics are predominantly unit-based hardware sales through both B2B contracts and B2C transactions, with a 10-year spare parts supply commitment supporting installed-base retention.

SANEI listed on the Tokyo Stock Exchange Second Section in December 2020 and transferred to the Standard Market in April 2022. The June 2026 executive transition installed Yuki Matsui as President and CEO with Toshiaki Nishioka as Chairman, alongside continued emphasis on design-led brand building, content marketing via the MIZUBA owned media platform, and a flagship EXPO 2025 Bronze Partner role. The company maintains a 3D CAD catalog service, B2B configuration portal (AQUAWORKS), and architect-focused partnerships (Tecture.jp, 3Dcatalog.com) that embed SANEI products in the specification workflow for Japanese construction and design professionals.

Name

SANEI

Legal name

SANEI株式会社 (SANEI LTD.)

Website

https://sanei.ltd

Company type

Public

Founded year

1954

Operating status

Operating

Headcount range

501–1,000 employees

Short description

SANEI Ltd. is a 70+ year-old publicly listed Japanese manufacturer of water supply and drainage equipment, including faucets, sensor/touch fixtures, shower heads, and valves. It serves residential, construction, architect, and commercial customers in Japan through a nationwide branch network, channel partners, and direct e-commerce.

Ownership category

akta.pro rank

Product category

Plumbing Fixtures and Water Supply Equipment

NAICS

Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers (423720)

SIC

Wholesale-Hardware & Plumbing & Heating Equipment & Supplies (5070)

akta.pro primary industry

Plumbing Fixtures (Faucets, Sinks & Bath Fixtures) (IMADALAA)

akta.pro secondary industry

Irrigation & Outdoor Plumbing Products (IMADALAI)

Keywords

• Water supply equipment
• Plumbing fixtures
• Bathroom faucets
• Touch sensor valves
• Drainage equipment

Headquarters

HQ city

Osaka

HQ country

Japan

HQ region

Asia

Offices33 records

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Marketing or Sales

Revenue model

1. Water Supply and Drainage Equipment Manufacturing and Sales: SANEI manufactures and sells a comprehensive range of water supply and drainage products including mixer faucets, sensor faucets, single faucets, shower heads, washbasins, valves, plumbing systems, and related accessories. Revenue is generated through B2B sales to distributors, hardware stores, construction companies, housing manufacturers, and B2C sales via the official online store.
2. Replacement Parts and Maintenance: SANEI sells maintenance parts and replacement components (e.g., cartridges, washers, hoses, check valves) to support existing installed products. Spare parts are supplied for up to 10 years after product discontinuation.

Pricing tiers

Go-to-market motion3 records

Distribution channels5 records

Marketing channels10 records

Core offering

SANEI designs, manufactures, and sells water supply and drainage hardware products including kitchen and bathroom faucets, touch-sensor and manual valves, shower heads, bath fittings, and drainage pipes. The company sells its finished plumbing products to trade customers (distributors, hardware stores, construction firms, housing manufacturers) and directly to consumers through its SANEI MALL online channel.

Product overview

SANEI is a comprehensive water fixture manufacturer offering a broad portfolio of bathroom and kitchen products centered around faucets, showers, washbasins, and plumbing systems. The product lineup is organized across core faucet categories (mixer faucets, sensor/touch faucets, single faucets), multiple design-focused sub-brands (SUTTO, YORI SUTTO, cye, MONOTON, EDDIES, TOH, Kiwitap, soroe, Morfa, roffine), and specialized product series (RAINY ultra-fine bubble showers, MIGAMI净水showers, suin mist showers, mitos face-washing showers, LARGE SHOWER). Beyond fixtures, SANEI provides related accessories (bathroom accessories, iron accessories, copper series), plumbing components (valves, branching products, piping systems), maintenance parts, washing machine and toilet products, gardening equipment, and specialized tools. The company operates an e-commerce platform (SANEI MALL), provides digital services including 3D catalogs and troubleshooting guides, and maintains owned media (MIZUBA, シャ wine info) to support product discovery and customer engagement.

Differentiator

Problem solved

Functional benefit

Brands

• SUTTO: Design faucet series
• YORI SUTTO
• cye
• MONOTON
• EDDIES
• TOH
• Kiwitap
• soroe
• Morfa
• roffine
• MIZUBA
• SMART FINE BUBBLE
• プレパシュ+
• IENI
• a-cube
• TUKU
• RAINY
• MIGAMI
• mitos
• suin
• LARGESHOWER

Products and services

• Kitchen and bathroom faucets (single-lever and dual-handle)

Quantifiable outcome

• Water savings of up to approximately 50% with water-saving shower heads (RAINY series)
• +2 more outcomes

Segments4 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Six partnerships are on record, tiered flagship, core and minor.

• 2025 Japan International Exposition Association (2025年日本国際博協会)flagshipStrategic or Co-development Partner · 13 April 2025SANEI serves as a Bronze Partner for EXPO 2025 Osaka-Kansai, providing approximately 700 faucets for venue restroom facilities including the Reception Hall, Event Hall, and facilities designed by young architects. This is a flagship visibility partnership aligned with SANEI's brand positioning around water and design.
• Dalian Sansei Faucet Co., Ltd. (大連三栄水栓有限公司)coreOthersConsolidated subsidiary based in Dalian, China. SANEI's international manufacturing and sales presence. Chairman Matsui became Chairman of Dalian Sansei Faucet Co., Ltd. in January 2026.
• Aqua Engineering Co., Ltd. ((株)アクアエンジニアリング)coreOthersConsolidated subsidiary operating within the SANEI group structure, contributing to the group's water-related products and services portfolio.
• Mizseikatsu Seisakusho Co., Ltd. ((株)水生活製作所)coreOthersConsolidated subsidiary. SANEI's Director Hayakawa also serves as Representative Director of Mizseikatsu Seisakusho. Represents a group company relationship with shared management oversight.
• Japan Valve Industry Association (日本バルブ工業会)minorOthersSANEI's Representative Director Chairman Nishioka became President of the Japan Valve Industry Association in June 2023, representing industry leadership and standards-setting participation.
• Partnership Building Declaration (パートナーシップ構築宣言)minorStrategic or Co-development PartnerSANEI has published a 'Partnership Building Declaration' in support of the initiative promoted by the 'Future-Opening Partnership Building Promotion Council,' pledging to strengthen collaboration and co-prosperity with supply chain partners and value-creating businesses.

Scale indicators9 records

Recent moves7 records

Expansion highlights4 records

Direct peers

• TOTO Ltd. Japan's leading manufacturer of toilets, faucets, washbasins, and bath fixtures. TOTO directly competes with SANEI across the full faucet and bathroom product portfolio, serving overlapping residential, commercial, and architectural specification channels in the Japanese market.
• LIXIL Group Corporation: Japan's largest building materials and housing equipment company, owner of the INAX brand. LIXIL directly competes with SANEI in faucets, showers, and bathroom fixtures, and shares the same nationwide B2B distribution and developer/architect specification channels in Japan.
• Takara Standard Co., Ltd. Japanese mid-cap manufacturer of kitchen, bathroom, and washbasin systems including faucets and water supply equipment. Comparable in scale and channel mix to SANEI, with overlapping housing manufacturer and home renovation customer segments in Japan.
• Cleanup Corporation: Japanese manufacturer specializing in kitchen and bathroom systems, including water supply fixtures and plumbing components. Directly comparable product portfolio and similar housing manufacturer and distributor channels as SANEI in the Japanese market.
• Grohe AG: Germany-based premium global faucet and shower specialist, owned by LIXIL. Directly competes with SANEI's design faucet portfolio in international spec-grade residential and hospitality projects, and represents the type of premium brand SANEI competes against in the architect channel.
• Hansgrohe Group: German premium manufacturer of showers and faucets with strong design-led positioning (Axor, hansgrohe brands). Directly comparable to SANEI's designer faucet sub-brand portfolio in product strategy, customer targeting (architects/designers), and ultra-fine bubble-adjacent shower technology.
• Moen Incorporated: US-based leading faucet manufacturer owned by Fortune Brands Innovations. Comparable to SANEI in core product category (faucets, showers), brand strategy (multiple sub-brands targeting different price/design tiers), and North American/Asian distribution model.
• Delta Faucet Company: US-based faucet manufacturer (owned by Masco Corporation) producing residential and commercial faucets with strong water-saving technology positioning. Directly comparable to SANEI's water-saving and sensor faucet portfolio in functional category and channel approach.

Broad incumbents

• Kohler Co. US-based global incumbent with a much broader kitchen, bath, and power systems portfolio than SANEI. Overlaps with SANEI in premium faucets and bathroom fixtures but operates at significantly larger scale with global brand reach; serves as a benchmark for SANEI's premium brand ambitions.

Regional players

• Rinnai Corporation: Japanese manufacturer primarily of water heaters, gas appliances, and heating systems with adjacent plumbing exposure. Comparable to SANEI as a Japanese household water infrastructure company sharing similar distribution channels and customer segments, though focused upstream on heating rather than faucets.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCM43Y7PP-5eDr-jvJWm-1_g
• Instagraminstagram.com/sanei_ltd_official
• Xx.com/sanei_ltd
• Facebookfacebook.com/sanei.ltd.official

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about SANEI