Ulsan Works, located at Ulsan-Si Buk-Gu Yumpo-Dong, has left performance of breaking through production of 10,000,000 Tons of steel pipe in July 1999 after establishment in 1979. It has largely expanded automation system and latest welding facility to increase competency while acquiring ISO 14001 approval and ISO 9001 as the first steel pipe factory to secure firm position as friendly-environmental company with outstanding quality of products.

In order to promptly adapt to rapidly changing environment, it started six sigma campaign in July 2002 to contribute to quality improvement and duty process enhancement. It is also promoting T.W.B and Hydro-forming, new business aiming vehicle lightening, to infinitely make efforts to enhance value of customer, shareholder, and of company.