Poongkuk SI Co., Ltd.

Since its establishment in 1995, Poongkuk SI Co., Ltd. has specialized in manufacturing protective steel plates for gas pipelines, underground power transmission cables, and other underground utility systems.

As an officially registered supplier to Korea Gas Corporation (KOGAS) and 31 city gas companies throughout South Korea, we have built extensive experience and technical expertise in underground infrastructure protection. Our products are designed to protect critical facilities from external impacts while ensuring long-term safety and reliability.

Through continuous innovation, strict quality control, and accumulated know-how, Poongkuk SI has earned a strong reputation for delivering high-quality products on time and meeting the diverse requirements of our customers.

We remain committed to research and development to provide more advanced and reliable solutions for underground infrastructure. Our goal is to become a global leader in the protective steel plate industry by delivering outstanding products, maximizing customer satisfaction, and building long-term partnerships based on trust.