PS (polystyrene) is produced by SM (styrene monomer). Global PS production in 2024 came in at 11.34 mn tons, while global capacity in 2024 was 18.75 mn tons. The major downstream applications are Packaging,Electrical/electronic, Building/construction,etc.... The main producers in the world areINEOS Group ltd,TotalEnergies SE,Trinseo PLC,Chi Mei Corporation, Formosa Chemical&Fiber Corp,BASF SE,China Petrochemical Corporation,Zhejiang Yisu New Materical Co.Ltd,Citic Group Corp,Eni SPA etc...