Hectic construction investment growth and brisk demand on the cement market have stimulated drastic growth in cement production capacity in Northwest China¡&hibar;s Ningxia Hui Autonomous Region. The total cement production capacity in the region has reached about 6.9Mt and is expected to shoot up to nearly 10Mt. But the demand is estimated to be only about 6Mt for this year and about 6.8-7.0Mt next year.