OPPO is a brand of which country

OPPO is a domestic cell phone brand. It is a globally registered, large-scale Chinese high-tech enterprise integrating R&D, manufacturing and marketing, and its products are exported to Hong Kong, the United States, Russia, Europe, Southeast Asia and other markets. Successfully launched MP3, MP4, Blu-ray DVD, cell phones and other products, is now committed to the development of smart phones, Blu-ray DVD.OPPO currently has four series of cell phone products under the F series, N series, R series, A series.