Sumitomo Chemical Co. Ltd. (TYO:4005) and Saudi Aramco have been moving forward somewhat more slowly than anticipated with the ethylene propylene diene monomer (EPDM) plant under their joint Petro Rabigh project. But now the plant, scaled at 75,000 tons in annual production, looks to achieve mechanical completion sometime around April–June this year. Once there are finished products on hand, plans...