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  1. Home
  2. Ferrous/Non-ferrous metals
  3. 松井製作所
Ferrous/Non-ferrous metals
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松井製作所

EstablishmentMarch 1961
capital3300Ten thousand
number of employees81
addressOsaka/Joto-ku, Osaka-shi/4-1-23 Nagata
phone06-6961-6043
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last updated:Sep 30, 2025
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松井製作所 Company Overview

We propose high-quality, high-value-added products that combine forged items made of copper, brass, and aluminum, machining, pipe bending, and brazing processes!

Matsui Manufacturing Co., Ltd. focuses on non-ferrous metals such as copper, brass, and aluminum, offering a consistent production system from hot forging to machining, pipe bending, brazing, and unit assembly. We propose suitable QCD (Quality, Cost, Delivery) to our customers from our four production bases located in Japan and abroad (Osaka, Tottori, Himeji, and China). Since our establishment in 1948 as a manufacturer of gas appliance parts, we have developed and manufactured various control devices related to gas appliances, petroleum, water, and air conditioning, marking half a century of history with the motto of "Customer First." We will continue to acquire advanced technologies, promote flexible thinking that breaks away from conventional concepts, and not only respond to user needs but also proactively propose solutions that anticipate the needs of end users. We look forward to your continued guidance and support.

Business Activities

**Business Content** ■ Development and manufacturing of components for air conditioning, hot water supply equipment, and IT-related control devices **Products Handled (Partial)** ■ Air conditioning and heat exchanger-related products (valves, strainers, diverters, pressure valves, thermo valves, piping, flanges, etc.) ■ Hot water supply equipment-related products (water governors, valves, fittings, copper piping, etc.) ■ Industrial equipment-related products (compressor parts, heater parts, heat sinks, laser processing machine parts, etc.) ■ Residential equipment-related products (floor heating headers, wall-mounted valves, etc.) ■ Kitchen equipment-related products (burner parts, auto lifters, commercial kitchen gas piping, valves, etc.) ■ Medical equipment-related products (manifolds, pressure reducing valves, etc.)

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Products/Services (1750)

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High wear resistance, high strength, non-magnetic focus | Scheduled to exhibit at SPEXA 2026
[Video Material] How to Advance New Initiatives: A Method for Abstract Thinking product image
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[Video Material] How to deal with unexpected position and angle misalignment!

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catalog(71)

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Introduction to brazing

Introduction to brazing

TECHNICAL
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Basic Series 12 of Geometric Tolerances ~ Circular Runout and Total Runout ~ (Free Download Available)

Basic Series 12 of Geometric Tolerances ~ Circular Runout and Total Runout ~ (Free Download Available)

OTHER
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Basic Series 11 of Geometric Tolerances ~ Profile of a Surface ~ (Free Download Available)

Basic Series 11 of Geometric Tolerances ~ Profile of a Surface ~ (Free Download Available)

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Basic Series 10 of Geometric Tolerances ~Symmetry~ (Free Download Available)

Basic Series 10 of Geometric Tolerances ~Symmetry~ (Free Download Available)

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news(16)

Notice of Participation in the 3rd SPEXA International Space Business Exhibition from May 27 (Wednesday) to May 29 (Friday), 2026.

  • SEMINAR_EVENT

Matsui Manufacturing Co., Ltd. will jointly exhibit with Tottori Prefecture at the "3rd SPEXA International Space Business Expo" held at Tokyo Big Sight. SPEXA is an exhibition where everything related to space business comes together. As the importance of space development is increasing with the involvement of both public and private sectors, we will hold an exhibition that gathers everything related to space business. We plan to introduce the outdoor lunar demonstration field "Luna Terrace," which was established in July 2023 to provide a demonstration venue for companies and researchers engaged in lunar exploration and other activities. We sincerely look forward to your visit.

Apr 14, 2026

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[June 12, 2026 (Friday)] Notice of Participation in the 18th Kobe Manufacturing Small and Medium Enterprises Exhibition and Business Meeting

  • SEMINAR_EVENT

Matsui Manufacturing Co., Ltd. will jointly exhibit with the Medical Device Development Research Association at the "18th Kobe Manufacturing Small and Medium Enterprises Exhibition and Business Meeting" held at the Kobe Sunbowl Hall, 2nd floor large exhibition hall. This is an exhibition in Kobe where business connections are made in real life. Small and medium-sized manufacturers with technologies in casting, forging, pressing, plating, resin molding and processing, rubber molding and processing, molds, and related support organizations will be exhibiting. We sincerely look forward to your visit.

Apr 14, 2026

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Our company's executive, Daisuke Matsui, participated as a panelist in the overseas human resource utilization seminar's panel discussion.

  • COMPANY

Our company's Executive Director, Daito Matsui, participated as a panelist in the following seminar panel discussion. ~Creating a Future of Working Together~ "The Option of Foreign Talent in the Era of Labor Shortages" September 12, 2025, Ishikawa Prefectural Center for Local Industry Promotion

Sep 30, 2025

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Detailed information

Company name 松井製作所
number of employees81
Contact addresspostalcode 536-0022 Osaka/ Joto-ku, Osaka-shi/ 4-1-23 NagataView on map TEL:06-6961-6043 FAX:06-6967-3888
Key PartnersGastar Co., Ltd. Daikin Industries, Ltd. Daihen Industrial Equipment Co., Ltd. Takara Standard Co., Ltd. Takara Belmont Corporation Taniko Co., Ltd. Hitachi Air Conditioning Shimizu Co., Ltd. Maekawa Manufacturing Co., Ltd. LIXIL Corporation Rinnai Corporation
Numerous direct transactions with major manufacturers in various industries such as gas equipment, air conditioning equipment, semiconductors, kitchens, and medical fields! We also have a design department and can assist with inquiries regarding product shapes!
Business LocationsClick here for the list
Industry Ferrous/Non-ferrous metals
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