Posco is the world's fourth largest steel manufacturer
Media playback is unsupported on your device
Video

Asian steelmakers fear demand from China is falling

The world's fourth-largest steelmaker unveils its latest profit numbers later on Tuesday.

Posco, which is South Korea's largest steel firm, is expected to post slightly better numbers, mainly due to lower raw material costs.

But, as the Chinese economy slows and demand there begins to fall away, can Posco's profits keep up the pace?

The BBC's Lucy Williamson reports from Seoul.