We are passionate about manhole covers. Our continuous research and development have lead to many certificates and registered patents. But we will not stop here and continue to move forward.

Se Gye Cast Iron's top priorities are the safety of users, harmonizing our products with the cityscape, and creating eco-friendly products our century demands. We are working hard to achieve these goals. As a reward for our efforts and research and development, we have numerous registered patents and certifications, both in Korea and other countries. Our efforts do not stop at quality certificates. We will continue to work to become a company trusted by customers.