As a technical group specializing in metal press parts, we respond to various requests at a high level!
Marunaka Co., Ltd. is a company that has established a comprehensive production system centered on metal pressing as its core technology, covering everything from mold design and manufacturing to parts processing (pressing, welding, cutting, polishing, and cathodic electrodeposition coating) and assembly. It manufactures automotive parts, office equipment parts, household parts, and more. The company aims to enhance the sophistication of molds, which influence the precision and labor involved in pressing, by having a dedicated section for mold design and manufacturing within the company. It is committed to improving pressing processes through innovative mold designs. Additionally, by conducting the entire process in-house, the company enhances its ability to respond to QCD (Quality, Cost, Delivery) and strives to supply higher quality parts at appropriate prices quickly. It is also advancing research and development of original products. **Main Products and Categories** - **Automotive Parts**: Car air conditioning parts, steering parts, chassis parts, motor parts - **Office Equipment Parts**: Disk steel parts, chair parts, cabinet parts, partition parts - **Household Parts**: Battery parts, earth parts, oven range parts, rice cooker parts *For more details, please refer to our catalog or feel free to contact us.*
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【Main Equipment】 ■ Progressive Press (80t–600t / 11 units) ■ 4–5 Station Progressive Press Line (with robots / 2 units) ■ Single Stroke Press (35t–150t / 14 units) ■ Cold Forging Press (630t / 1 unit) ■ Cationic Coating Line (fully automatic / 1 unit) ■ MIG Welding Machines (with robots 9 units / 16 units) ■ Spot Welding Machines (with robots 1 unit / 10 units) ■ Projection Welding Machines (with capacitors / 7 units) ■ Automatic Surface Grinding Machines (with unloaders / 4 units) ■ Assembly Line (with quality assurance devices / 10 units) *For more details, please refer to the catalog or feel free to contact us.
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For more details, please refer to the catalog or feel free to contact us.
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Marunaka Co., Ltd. has established a consistent production system centered on metal pressing as its core technology, encompassing everything from mold design and manufacturing to parts processing (pressing, welding, cutting, polishing, and cathodic electrodeposition coating) and assembly. The company manufactures automotive parts, office equipment parts, and household parts, among others. In particular, it focuses on enhancing the sophistication of molds, which significantly affect the precision and labor involved in pressing. Marunaka has a dedicated section for mold design and manufacturing, working on improvements in pressing processes through innovative mold designs. By conducting all processes related to metal press parts, including molds, in-house, the company enhances its ability to respond to QCD (Quality, Cost, Delivery) requirements, striving to supply higher quality parts at appropriate prices and with speed. Additionally, leveraging the accumulated know-how from metal pressing, Marunaka is advancing research and development of original products, such as the "W-V-LOCK" bolts and nuts that do not loosen under strong vibrations. As a technical group specializing in metal press parts, Marunaka Co., Ltd. is committed to skill enhancement, upgrading equipment, and strengthening its integrated production system to meet customer demands at a high level.
![Product Case Introduction [Automotive Parts]](https://image.mono.ipros.com/public/product/image/47b/2000361050/IPROS13062967145762085615.png?w=280&h=280)
![[Processing Reference Example] Casing Screw Machining](https://image.mono.ipros.com/public/product/image/2088546/IPROS16021466541096188662.png?w=280&h=280)
