On May 27, the first National Ready-Mixed Concrete Industry Development Conference was held in Zhengzhou. The theme of the conference is "consolidating consensus, taking responsibility, optimizing the ecology of the industrial chain, and green and high-quality development". At the same time, the conference held the sixth meeting of the third session of the Ready-Mixed Concrete Branch of the China Concrete and Cement-based Products Association, the provincial and municipal concrete association, the fifth national ready-mixed concrete enterprise information management professional skills competition, concrete enterprise management forum, concrete Anti-crack technology forum, and the 8th concrete engineering technology expert science and technology forum.