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In 2012, the added value of the building materials industry increased by 11.5% year-on-year, and the growth rate dropped by 8 percentage points, accounting for 6.6% of the national industrial added value. 、同比增长7.4%，陶瓷砖92亿平方米、同比增长9.4%，天然花岗岩石材4.1亿平方米、同比增长27.2%。 The annual cement output was 2.18 billion tons , a year-on-year increase of 7.4%, ceramic tiles were 9.2 billion square meters, a year-on-year increase of 9.4%, and natural granite stone was 410 million square meters, a year-on-year increase of 27.2%. Flat glass 710 million weight boxes, a year-on-year decrease of 3.2%, and sanitary ceramic output of 160 million pieces, a year-on-year decrease of 13.1%.
、同比下降0.6个百分点，平板玻璃产销率95.6%、同比下降0.1个百分点。 The production and sales rate of bulk products showed a downward trend. The cement production and sales rate was 97.3% , a year-on-year decrease of 0.6 percentage point, and the flat glass production and sales rate was 95.6%, a year-on-year decrease of 0.1 percentage point. As of December, the inventory of the cement manufacturing industry was 79 billion yuan, an increase of 1.8% year-on-year; the inventory of building materials manufacturing of bricks, stone, and other materials was 59 billion yuan, an increase of 15.7%; the inventory of the glass product manufacturing industry was 31.9 billion yuan, an increase of 15.8%.
The following description of the production and sales status of the building materials industry in 2012 is consistent with the information:
A. Year-on-year growth rate of inventory of glass products manufacturing is lower than that of cement manufacturingBackyard Three Kingdoms
B. Glass product manufacturing inventory increased by about 3 billion yuan over the previous year
C. Cement sales exceeded 2.1 billion tons in 2012
D. The total profit of the building materials industry increased by about 20 billion yuan over the previous year
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