Teck Guan Perdana Berhad didn't convert much of its profit to free cash flow in the last year, which some investors may consider rather suboptimal. Because of this, we think that it may be that Teck Guan Perdana Berhad's statutory profits are better than its underlying earnings power. But on the bright side, its earnings per share have grown at an extremely impressive rate over the last three years. Of course, we've only just scratched the surface when it comes to analysing its earnings; one could also consider margins, forecast growth, and return on investment, among other factors. With this in mind, we wouldn't consider investing in a stock unless we had a thorough understanding of the risks. Every company has risks, and we've spotted 4 warning signs for Teck Guan Perdana Berhad (of which 1 can't be ignored!) you should know about.