基础化工行业周报：山东高密化工厂发生爆炸事故，相关行业落后产能有望加速出清

Investment Rating - The industry investment rating is "Positive" (maintained) [1] Core Views - The explosion at Shandong Gaomi Chemical Plant is expected to accelerate the elimination of backward production capacity in the chemical industry [4][23][25] - The supply of polyester filament continues to shrink, leading to a stable market trend [26][27] - The price of phosphate rock remains stable, while urea prices are experiencing fluctuations [47][48] Summary by Sections Industry Trends and Events - The chemical industry index outperformed the CSI 300 index by 0.42% this week [18] - The explosion incident on May 27 at Shandong Youdao Chemical Co., Ltd. resulted in 5 deaths and 6 missing persons, prompting a provincial investigation into similar chemical production processes [4][23][24] Key Product Tracking - Polyester filament prices are stable, with POY at 7050 CNY/ton, FDY at 7300 CNY/ton, and DTY at 8200 CNY/ton [26][27] - The market for viscose staple fiber is stable, with prices around 13000 CNY/ton [30] - The price of light soda ash is 1323 CNY/ton, showing a decline of 0.45% [42] - Urea prices are down to 1864 CNY/ton, reflecting a decrease of 0.27% [47] Beneficiary Companies - Beneficiary companies from the elimination of backward capacity include Shanshui Technology, Zhejiang Longsheng, and Annuoqi in the dye intermediate sector [25] - Recommended companies in the chemical sector include Wanhua Chemical, Hualu Hengsheng, and Hengli Petrochemical [6]