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  3. Manufacturing and processing machinery
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  5. Processing Contract
  6. Custom processing of large castings and brass for water treatment pumps.

Custom processing of large castings and brass for water treatment pumps.

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last updated:Apr 17, 2026

岩井工機
岩井工機
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Specialized in processing large cast and brass parts. Capable of completing complex shapes.

In the water treatment industry, pumps require high durability and precise operation. Especially for pump components exposed to corrosive fluids and high-pressure environments, the selection of materials and precision machining significantly affect the product's lifespan and performance. Inappropriate materials or processing can lead to early failure or performance degradation. Our products have extensive experience in processing special materials such as cast iron, aluminum, stainless steel, and brass. We own large turning centers with a maximum diameter of 1,600 mm and 5-axis machining centers, allowing us to handle complex shapes unique to castings and achieve high-precision finishing of brass components in-house. 【Application Scenarios】 - Updating discontinued pump components - Manufacturing pump parts used in corrosive environments - Producing pump components that require high precision 【Benefits of Implementation】 - Reduction in procurement lead time and management workload - Stable supply of high-quality parts - Maintenance of pump performance and extension of lifespan

    Processing Contract
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Custom processing of large castings and brass for water treatment pumps.

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  • Related Link - https://iwaikouki.com/
  • Special site - Product/service details - https://pr.mono.ipros.com/iwaikouki/product/

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【Features】 - Compatible with a wide range of materials including iron, aluminum, stainless steel, castings, and brass - Equipped with large turning centers with a maximum diameter of φ1,600 - Processing of complex shapes using 5-axis machining centers - Reproduction of old parts through drawing-less manufacturing - Rapid delivery via in-house transportation (Chiba, Ibaraki, Kanagawa, Saitama, Tokyo areas) 【Our Strengths】 Iwai Koki Co., Ltd. is a specialized metal machining company established in 1970. Utilizing a variety of equipment such as NC lathes and machining centers, we provide consistent services from precision machining to welding and assembly. We excel in small-batch production of diverse varieties and respond flexibly and quickly from prototyping to mass production.

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岩井工機

岩井工機

Manufacturing and processing contract

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Our company was founded in 1970 as "Iwai Iron Works Co., Ltd.," which is the predecessor of our current business, and has been engaged in machining for many years. Although we did not have our own products, from the time of our establishment, we have worked to accommodate a wide variety of small lots and short delivery times, focusing on improving both our equipment and the skills of our employees. In addition, in our sales activities, we have established a network with reliable partner factories to respond to requests for individual machine parts as well as complete assemblies, providing a one-stop service to our users. Please feel free to contact us with your inquiries.

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