Leave assembly and leak testing to us!! Get a free catalog now!!
For those looking for assembly and leak testing processing services! We also provide consistent support for earlier processes such as cutting processing! You can now download our catalog for free!
You can download a free catalog introducing processing technologies, including assembly and leak testing, from this page! With over 70 years of experience, we have numerous transactions with major gas appliance manufacturers and medical device manufacturers! Our company conducts a wide range of assembly and leak testing for medical valves, gas appliance-related products, and semiconductor-related products! If you fit any of the following criteria, please take a look at our catalog: - You want to outsource sub-assemblies by reviewing in-house processes. - You are looking for a processing partner that can handle small lots. - You are searching for a processing partner connected to China. - You want to place a single order for multiple processes such as "machining ⇒ brazing ⇒ assembly ⇒ leak testing." 【Examples of Clients】 - Daikin Industries, Ltd. - Daihen Corporation - Takara Standard Co., Ltd. - Takara Belmont Corporation - Taniko Co., Ltd. - Hitachi Johnson Controls Air Conditioning, Inc. - Maekawa Manufacturing Co., Ltd. - LIXIL Corporation - Rinnai Corporation
basic information
The catalog download is free, so please feel free to download it!
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Applications/Examples of results
Gas appliances, air conditioning equipment, medical devices, semiconductor-related items, etc.
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Notice of Participation in the "International Frontier Industry Messe 2026" on September 3-4, 2026 (Thursday and Friday)
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.
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[June 12, 2026 (Friday)] Notice of Participation in the 18th Kobe Manufacturing Small and Medium Enterprises Exhibition and Business Meeting
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.
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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.