辰己屋金属 大阪本社、東京営業所、京田辺工場、中部営業所、東大阪パイプ工場

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辰己屋金属 Company Profile
Pipe processing, non-ferrous metal materials, precision cutting processing, copper-aluminum clad material "CCAC," etc. From material procurement to processing, we respond to ultra-fast and diverse needs.
<Metal Materials Trading Division> With a rich inventory and four slitting facilities, we supply from the Higashi-Osaka Coil Center to the entire country. We specialize in the sales of copper alloy materials and non-ferrous metal materials. We are also actively proposing the next-generation copper-aluminum clad material "CCAC" in collaboration with Applied Composite Material Corp. <Metal Processing Division> We excel in processing small quantities of various metal pipes. Our diverse technologies include coil winding, R-bending, various bending processes, and welding. We handle everything from one-off parts used in heat exchanger components and machinery to larger quantities for automotive, consumer, and housing equipment. In the world of bending processing, where small lots are common, the presence or absence of molds becomes quite important. We mix our own molds and equipment with those from partner factories to provide tailored proposals. Additionally, our NC automatic lathe precision cutting processing leverages the procurement advantages unique to Tatsumiya, which has a metal materials trading division, enhancing customer satisfaction through technical expertise, procurement capabilities, and cost efficiency. With over 90 years of establishment as a processing trading company, we view the 100-year mark as a milestone and will continue to build a great company in the future.

Business Activities
Pipe processing (bending, brazing/welding, piping components, heat exchanger components) Precision cutting processing (mass production of difficult-to-cut materials such as SUS304, φ2–51) Sales of copper products, non-ferrous metal materials, and special alloys (copper, copper alloys, eco-brass, aluminum, stainless steel, titanium, high nickel alloys, etc.) Ceramic heaters (providing ceramic heaters in collaboration with Kyocera) In metal material sales, we focus on non-ferrous metals (pure copper-based, phosphor bronze-based) and own four high-speed slitters, ensuring not only QCD but also flexibility in handling small weight cuts that other companies may hesitate to undertake. We are agile and responsive, so please feel free to contact us for any requests. Additionally, we have newly introduced slitting equipment capable of handling thick material cutting, with a plate thickness of up to 3.5 mm, to support the transition to EVs and supply materials for press parts that are increasing in current and thickness.
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Detailed information
Company name | 辰己屋金属 大阪本社、東京営業所、京田辺工場、中部営業所、東大阪パイプ工場 |
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number of employees | 79 |
Contact address | postalcode 577-0046 Osaka/ Higashiosaka-shi/ 1-8-20 Nishi-Tsukamoto-dori, Nishi-kuView on map TEL:06-6789-5831 FAX:06-6789-5838 |
Key Partners | Mitsui Sumitomo Metal Mining Co., Ltd.
Mitsubishi Materials Corporation
Applied Composite Material Corp.
Oki Copper Industry Co., Ltd.
San-Etsu Metal Co., Ltd.
Nihon Shindo Co., Ltd.
Toyoyama Japan Co., Ltd.
Kyocera Corporation
Harada Copper Works Co., Ltd.
Seihou Metal Industry Co., Ltd.
Mori Industries Co., Ltd.
Katagi Aluminum Manufacturing Co., Ltd.
JX Metals Corporation
Daido Steel Co., Ltd.
UACJ Group
Others Multiple suppliers for materials and various processing subcontractors. |
Industry | Ferrous/Non-ferrous metals |
