Taiwan Cement group will adopt an aggressive mergers and acquisitions strategy and will invest 8-10 bln yuan in five years in China to boost its cement capacity, the Commercial Times quoted Taiwan Cement Corp chairman CY Koo as saying.  It plans to build cement plants with annual capacity totalling 20Mt in southern China.  Pretax profit of the group’s Hoping power plant in Taiwan is expected to rise to 4 bln twd this year from around 3 bln last year.  The group also plans to build two new power plants in Taiwan this year and is studying feasibility of acquiring one domestic independent power plant.