Hyundai Heavy Industries has unveiled plans for an initial public offering in Seoul, with the funds raised set to go towards investments in "eco" shipbuilding technology.

The world’s largest shipbuilder plans to raise KRW1trn ($907m) by issuing new shares equivalent to a 20% stake in the company this year.

HHI said the money would be invested over the next five years in the development of eco-friendly and future ship designs, the development of new construction technology and the construction of eco-friendly production facilities to improve its competitiveness.