大洋産業株式会社（DEWx）is a leading company based in Hikone, Shiga Prefecture that specializes in plant piping, machining and assembly, and water purification systems. With our expertise and know-how in these areas, we are committed to helping our customers achieve their goals. As an order production-based company, we offer a comprehensive one-stop service that includes design, processing, fabrication, installation, maintenance, and operation of original products.

Despite being a small team, we have highly skilled staff who can provide consistent and tailored solutions. Our business is divided into three main areas: plant piping, machining and assembly, and water purification. By leveraging the synergies between these divisions and our extensive knowledge, we aim to become a regional leader in manufacturing while continuously expanding and developing our business.

In addition to our domestic operations, we have a strong presence in Vietnam, allowing us to offer cost-effective solutions and unique opportunities to our clients. We also provide translation services, local partner investigations, coordination of site visits, and dispatch of Vietnamese trainees in collaboration with specialized institutions. At 大洋産業株式会社（DEWx）, we are dedicated to turning our customers' visions into reality through our expertise and customized services