基础化工行业周报：天然气、液氯等涨幅居前，建议继续关注石化板块、钛白粉板块和轮胎板块

Investment Rating - The report maintains a "Buy" rating for several companies in the chemical industry, including China Petroleum, Sinochem, and others [5][6][7]. Core Insights - The report highlights that natural gas, dichloromethane, and liquid chlorine have seen significant price increases, while products like butadiene and natural rubber have experienced notable declines [1][25]. - It suggests continued focus on sectors such as petrochemicals, titanium dioxide, and tires, particularly as the industry enters a seasonal demand peak [3][25]. - The report emphasizes the potential for valuation recovery among leading companies in specific sub-industries, particularly those with strong cost advantages and stable competitive landscapes [3][25]. Summary by Sections Chemical Industry Investment Recommendations - The report suggests monitoring low-valuation, high-dividend companies like China Petroleum due to recent declines in oil prices, which are expected to stabilize [23][25]. - It notes that while many chemical sub-industries have underperformed, sectors like tires and upstream mining (oil and gas extraction, phosphate mining) have shown resilience [3][25]. Price Movements - Significant price increases this week include natural gas (up 10.77%), dichloromethane (up 10.31%), and liquid chlorine (up 10.28%) [22][25]. - Conversely, products like toluene (down 3.36%), adipic acid (down 3.61%), and butadiene (down 7.52%) have seen declines [22][25]. Company Performance and Forecasts - The report provides earnings forecasts for various companies, indicating expected EPS growth for firms like Sinochem and others, with a consistent "Buy" rating across the board [5][6][7]. - It highlights specific companies such as Wanhua Chemical, Hualu Hengsheng, and Longbai Group as key players to watch for potential investment opportunities [3][25].