KHOBAR - Saudi Kayan Petrochemical Co, a unit of Saudi Basic Industries Corp (Sabic) has received four bids in a retender to build a petrochemical plant at its complex in Jubail, industry sources said on Tuesday. South Korea's Hyundai Engineering and Construction, Daelim Industrial Company, Taiwan's CTCI and US company Fluor Corp bid for the 210,000 tonnes per year (tpy) plant, three sources said. The due date for bids had been extended to Dec. 5 from Nov. 25, they added. Kayan was holding meetings with bidders this week and next week. “We suspect we are going to have to submit revised bids, we have not been officially notified...they may ask us to do so early January.”