Apple: Apple is a high-tech company in America. It was founded by Steve Jobs and others on April 1976, and was named Apple Computer Company of America. 20071October 9, changed its name to Apple. Apple is the world's first enterprise with a market value of over one trillion yuan, the world's largest mobile phone manufacturer, and a world-renowned manufacturer of electronic products such as mobile devices and computers.
Samsung: Samsung Group is a multinational enterprise group in South Korea, covering many fields such as electronics, finance, machinery and chemistry.
Google: Google was founded on1September 4th, 998. Founded by Larry Page and sergey brin, it is recognized as the largest search engine company in the world. Google is a multinational technology company located in the United States, whose business includes Internet search, cloud computing and advertising technology.