A few days ago, National Development and Reform Commission issued an report about economic operation of building materials industry in first quarter of 2019. According to the data, operating revenue of building materials enterprises which above designated size has reached 981.1 billion yuan, with a year-on-year growth of 14 percent. The total profit has reached 69.5 billion yuan, up 20.8 percent year-on-year.

  Thereinto, operating revenue of cement industry is 179.8 billion yuan, rose by 20.7 percent over the same period of last year. The total profit is 24.68 billion yuan, with 38.8 percent year-on-year growth.

  From the view of production and sales volume in the first quarter, national cement output is 0.39 billion tons, with year-on-year growth of 9.4 percent. And the production of commercial concrete is 0.41 billion cubic meters, increased 13.7 percent year-on-year.