According to Morgan Stanley's research report, steel companies in Tangshan have received notifications requiring them to reduce production across the entire chain from sintering to blast furnaces by 30% between July 4 and 15 because of environmental concerns.Some steel mills have already planned to bring forward maintenance work. The production cuts in sintering during June have already brought Tangshan's inventory down to very low levels, and further reductions may start to impact steel output.Related NewsCiti Predicts More Anti-Involution Policies from Central Govt, Lowers Preference for Steel IndustryMorgan Stanley believes that among the steel mills it covers, BAO IRON (600019.SH) +0.130 (+1.865%) could be a beneficiary.(A Shares quote is delayed for at least 15 mins.)