Sangbong Corporation

About us

Sangbong Corporation is the only composite hose manufacturer in Korea, specializing in the transfer of hazardous and specialized fluids such as chemicals, acetic acid, urea, LPG, and LNG.

For several decades, we have supplied composite, rubber, metal, and steam hoses to domestic and international tank terminals, petrochemical plants, and the shipbuilding industry. In addition to conventional onshore and offshore loading and unloading operations, our hoses are widely used within processing areas of petrochemical facilities.

We have continuously supplied hoses to major energy and chemical companies including Hyundai Oilbank, Hanwha TotalEnergies, and Lotte Fine Chemical, demonstrating long-term reliability and performance in demanding operating environments.

Our brand, Dolphinflex, is a registered vendor of global energy companies such as Shell, and has been recognized worldwide for its product quality and engineering capability. Based on this trust and proven track record, Sangbong Corporation continues to grow as a reliable hose solution provider for the global energy and chemical industries.