Headquartered in Dongguan, Guangdong, Oppo is a Chinese consumer electronics manufacturer, founded by Chen Mingyong in 2001. Oppo gained its first recognition in 2004, by selling premium Blu- ray players, amplifiers, and headphones. When Smile Phone was introduced in 2008, it made its first push into the phone market, with sales restricted to China. Followed by, it produces mobile phones, headphones, watches, tablets and other smart devices. Oppo is a BKK Electronics subsidiary, just as the OnePlus and VIVO. The brand has paved its way in the fierce competing market and gradually become one of the Top-5 mobile phone brands in the world.