BNP Paribas signed a $30 million credit line with Georgia's TBC bank to invest in Georgian companies. Also, the California High-Speed Rail Authority issued a request for expressions of interest in a local train public-private partnership. Meanwhile, Bloomberg News says The China National Offshore Oil Corporation is "actively pushing forward'' the acquisition of independent refineries to expand into oil processing. Finally, the Aluminum Corporation of China, is considering increasing its holding. The Corporation jointly bought a 9 percent stake in Rio Tinto Group with Alcoa.