菱三工業 Company Overview

A comprehensive manufacturer that produces and sells castings and forgings active in various fields.

Ringsan Industrial Co., Ltd. is a comprehensive manufacturer engaged in the development of new technologies and production activities, producing and selling cast and forged products that are active in various fields including land, sea, and air. Our technology is widely utilized in cutting-edge areas such as large-capacity transformer equipment, vehicle parts, elevator parts, and marine-related components, which require ultra-precision and reliability. Along with our manufacturing quality assurance system certified by ISO9001 and ISO14001, we have earned the trust of our customers.