Dongdo Tech is a specialized manufacturer of precision casting and machining, primarily producing defense industry components and industrial valves. We aim to be a leading manufacturer of special cast steel materials worldwide.

Since our establishment in 1978, we have undertaken numerous projects in the defense sector, securing contracts for the production and processing of casting products from various system companies. In addition to defense components, we have maintained a technological edge in valve components for industries such as shipping, nuclear power, and plants, achieving steady growth.