石油工业的开发促进了黄河三角洲的建设，成立了东营市河口区，振兴了河口区的建筑业，带动了建材业的发展及周边市县的经济发展。近年来，由于决策部门对建材业的重要性认识不足，忽视了对建材业的发展，导致了已经兴旺起来的建材业，出现了滑坡现象。最近，我们对全区建筑、 The development of the oil industry promoted the construction of the Yellow River Delta, established the Hekou District of Dongying City, and revitalized the construction industry in the estuary area, driving the development of the building materials industry and the economic development of the surrounding cities and counties. In recent years, due to the lack of understanding of the importance of the building materials industry in decision-making departments, neglecting the development of the building materials industry has led to the booming of the building materials industry, and there has been a decline. Recently, we have a