The annual production capacity of concrete and products reaches 3 million tons or more, or the main business of concrete and products (referring to the production and operation of cement, cement clinker, aggregates, etc.) revenue accounts for more than 25% of the company's total operating income In addition, there are 18 A-shares listed on the Shanghai Stock Exchange or Shenzhen Stock Exchange, and 6 companies with B-share listed companies and H-share listed companies listed on the Hong Kong Stock Exchange.
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