Their aggregate net profit ratio against sales revenue was 9.3 percent, much higher than their average net profit ratio of 5.5 percent. Of the top-ten business groups, Samsung Group posted the highest amount of profit. The 14 resource development affiliates of Samsung Group including Samsung C&T recorded a sales revenue of 439.1 billion won and an operating profit of 139.7 billion won. Their combined net profit ratio was 31.8 percent.
POSCO Group also posted more than 100 billion won of net profit from overseas resource development investment. POSCO's 19 resource development units including Daewoo International had 497.3 billion won and 112.8 billion won of sales revenue and net profit, with a net profit ratio of 22.8 percent.
Kim Hwa-nyeon, analyst with Samsung Economic Research Institute, said, "As private corporations tend to be conservative in overseas resource development projects than state-run counterparts, their success rate is higher than that for publicly-owned ones. State-run corporations, in contrast, must take into account securing of stable resource bases, which is why it is more likely for them to take a loss from resource development ventures."
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