Mac is a personal consumption computer developed by Apple since 1984 with Macintosh, such as iMac, Mac mini, Macbook Air, Macbook Pro, Macbook, Mac Pro and so on. With a separate Mac OS system, the latest Mac OS series is based on NeXT systems and does not support compatibility. check here It is a complete and independent operating system.
Haier is the first brand of white household appliances in the world. check here It was founded in Qingdao, China, in 1984. As of 2010, Haier has established 29 manufacturing bases, 8 integrated R&D centers, 19 overseas trading companies and more than 70,000 employees worldwide.
In 2010, Haier’s global turnover reached 135.7 billion yuan, with a brand value of 85.5 billion yuan, ranking first among China’s most valuable brands for nine consecutive years.check here
Founded in 1976, Acer is an international private brand company, mainly engaged in research and development, design, marketing, sales and services of smart-phones, tablets, personal computers, display products and servers. It also actively develops cloud technology and solutions in conjunction with the Internet of Things.check here It is an enterprise integrating software, hardware and services.
Acer ranked fourth in the world in personal computer shipments in 2014, with revenues of $10.39 billion and about 7,000 employees worldwide.