OPPO was founded in 2004 and is a Chinese producer of electronic products. The company is, just like OnePlus and Vivo, part of BKK Electronics, which is the world-wide fifth largest producer of Smartphones. The main products of OPPO are smartphones and Blu-ray players. Until 2019 OPPO was primarly known in China. Then they presented two new smartphones to the world on the MWC in Barcelona.