Saudi Kayan Petrochemical Co. (Saudi Kayan) on Jan. 24 let separate contracts to two companies for the construction of a polypropylene (PP) and a low-density polyethylene (LDPE) plant at its petrochemical complex, for which construction is slated to begin this month in Al-Jubail Industrial City, Saudi Arabia (OGJ Online, Dec. 11, 2006, Newsletter).