Head attributes company's success to strategy of limited diversification

In the 28 years he served in the People's Liberation Army, one of the most important things Chen Hongsheng learned was how to shoot straight; in the past 15 years as a businessman he has learned how to choose the right target.

Chen, 63, is chairman of China Poly Group Corp, whose military roots are as deep as his own, but which like him has grown to grapple with the challenges of the commercial world.