Guangdong Oppo Mobile Telecommunications Corp., Ltd, doing business as Oppo, is a Chinese consumer electronics and mobile communications company headquartered in Dongguan, Guangdong,It was founded by Chen Mingyong in 2004. Its major product lines include smartphones, audio devices, power banks, Blu-ray players, and other electronic products.The brand name "Oppo" was registered in China in 2001 and launched in 2004.Since then, they have expanded to more than 40 countries.In June 2016, Oppo became the biggest smartphone manufacturer in China,selling its phones at more than 200,000 retail outlets.Oppo was the top smartphone brand in China in 2019 and was ranked No. 5, in market share, worldwide.OPPO has been focusing on the technological innovation of mobile phone photography, creating an era of "selfie beauty"; more than 200 million people around the world are using OPPO camera phones.