Is a world-wide leader with over 20 years of
experience contribute to the high quality
products & excellent service.

Since Sangbong corporation was established
in 1993, we launched our Composite hose brand
as Dolphinflex.

We've supplied our special products to the
petroleum and chemical industries throughout
inland and marine fields in domestic market as
well as in worldwide market with a specialized
agents and distributors.

Based on rich experiences, we're trying to provide
trust to users as an expert on transferring various
chemicals as well as cryogenic medium like LNG&LPG.