Noida, Aug 24 (PTI) Greater Noida is fast-emerging as a hub of multinational companies from China and South Korea because of the investor-friendly policies of the Yogi Adityanath government, Uttar Pradesh's Infrastructure and Industrial Development Minister Satish Mahana said on Tuesday. Mahana said that besides US and German firms, several Chinese and Korean companies have been investing in the electronics sector in Greater Noida, near Delhi, in the last four-and-a-half years. "Major Chinese firms like Oppo, Vivo and Formi are setting up their units in Greater Noida. "Similarly, five Korean companies have acquired land in Greater Noida to establish their…