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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:Jun 26, 2026
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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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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)

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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(22)

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Notice of Participation in the "International Frontier Industry Messe 2026" on September 3-4, 2026 (Thursday and Friday)

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Matsui Manufacturing Co., Ltd. will jointly exhibit with the Medical Device Development Research Group at the "International Frontier Industry Messe 2026" held at the Kobe International Exhibition Hall, Halls 1 and 2 (Kobe Port Island). Booth Number: J-07 (Kobe International Exhibition Hall, 1st Floor, Hall 2) Catchphrase: Creating new manufacturing with metal and 3D printers! Main Exhibits and Technologies: Metal piping components, 3D printed products Introduction of Main Exhibits: We produce brass, copper, and aluminum valves and fittings using 3D printed jigs. We will also introduce 3D printed medical-related products.

Aug 20, 2026

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Our company president, Matsui, was featured in the Tottori Prefecture economic information magazine "Seikei Report" (July 25, 2026 issue).

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The July 25, 2026 issue of the "Weekly Political and Economic Report" featured Matsui Manufacturing's initiatives. Based on the metal processing field, we are advancing activities such as drawing management, AI utilization, education through YouTube, and joint research with universities. The goal of these efforts is not merely efficiency, but to create a company where each employee can demonstrate their abilities. Moving forward, we will continue to accumulate knowledge and technology in the manufacturing industry and expand it both internally and externally.

Jul 30, 2026

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Our representative, Matsui, gave a lecture at the Shizuoka Prefecture Development-type Enterprise Research Association.

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At the Shizuoka Prefecture Development-Type Company Research Association, our representative Matsui gave a presentation. Presentation content: Our company's initiatives related to DX (Digital Transformation) including 3D printers, YouTube, AI, and industry-academia collaboration, etc.

Jul 30, 2026

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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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