Cheetah Mobile's physical mailing address is BUILDING NO. 8 HUI TONG TIMES SQUARE YAOJIAYUAN SOUTH ROAD, BEIJING F4, 100123. The software maker's listed phone number is 861062927779 and its investor relations email address is [email protected] The official website for Cheetah Mobile is www.cmcm.com. Learn More about contacing Cheetah Mobile investor relations.