Integrated processing of large lathes and high-precision welding. No drawings needed; for physical reproductions, come to Iwai Koki!
From welding to large-scale machining, we handle everything in-house. With equipment capable of accommodating φ1,600 and half a century of expertise, we fulfill custom and urgent requests for plant components and prototypes.
"I can't predict delivery times due to the dual management of welding contractors and processing contractors." "I urgently need a spare for a large part that only exists in physical form without any drawings." Iwai Koki will solve these pressing issues on-site. Based in Chiba, our company possesses a well-equipped facility with large turning centers up to φ1,600 and 5-axis machining centers. Our greatest feature is our ability to carry out everything from the fabrication of welded structures to subsequent high-precision machining and even painting, all in a "fully in-house integrated" manner. This reduces intermediate transportation costs and management man-hours due to division of labor, significantly shortening the total delivery time. With distortion removal and precision finishing that captures the design intent, we can also consolidate quality responsibility. Additionally, we excel in restoration manufacturing through "sketching and drafting from actual parts," which is essential for maintaining aging equipment, thus resolving procurement difficulties caused by the loss of drawings. We have extensive processing experience with not only iron, aluminum, and stainless steel but also special materials such as castings and brass. We deliver quickly and safely to the Chiba, Ibaraki, Kanagawa, and Tokyo areas using our own trucks. We passionately and sincerely bring to life "small-lot custom products" from major machinery manufacturers and plant contractors. Companies with procurement concerns are encouraged to reach out to Iwai Koki!
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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.