建筑建材行业集体“反内卷”，要向“违规分包”“垫资施工”开刀

Group 1 - The construction industry has faced intense competition leading to low profit margins and unsustainable practices, prompting 33 major companies to jointly issue an initiative against "involution" [1][2] - The initiative emphasizes the need for the industry to focus on core responsibilities, enhance competitiveness, and resist illegal practices such as subcontracting and false bidding [2][3] - The construction sector has historically prioritized scale over quality, resulting in high output but low profitability, with issues like low-price bidding and excessive debt prevalent [3][6] Group 2 - The cement industry is responding to the "anti-involution" call by pushing for alignment between registered and actual production capacities, aiming for structural optimization and transformation [5][6] - Major waterproof material companies have announced price increases ranging from 1% to 13% to address rising costs and thin profit margins, indicating a shift towards better profitability [6][7] - The recent "anti-involution" movement has led to a rally in the A-share construction and materials sectors, with expectations of profit recovery for companies involved [6][7]