Vietnam's second oil refinery, Nghi Son Refinery and Petrochemical, will be ready for start-up from Feb. 28.: HANOI, Feb 26 (Reuters) - Vietnam's second oil refinery, Nghi Son Refinery and Petrochemical, will be ready for start-up from Feb. 28, its parent firm Vietnam Oil and Gas Group, or PetroVietnam, said on Monday. The $9 billion plant, co-owned by Kuwait Petroleum Europe BV and Japanese firms Idemitsu Kosan and Mitsui Chemicals , is designed to help Vietnam cope with a shortage of refined oil products. Vietnam's first refinery Dung Quat currently supplies 30 percent of the country's total domestic fuel demand.