Cheetah Mobile Inc

Part of Kingsoft Corp

Chen Rui (zh:陳睿 current CEO of Bilibili) founded Cheetah Mobile. The company was established in 2010 as a merger of Kingsoft Security (Chen served as General Manager) and Conew Image and grew to be the second-largest internet security software provider in China, according to iResearch. The company is located at 1st Yaojiayuan South Rd, Chaoyang District, Beijing, China