The consortium was founded by 11 technologists, a large chinese enterprise that has diversified within the information industry, and a founding international science and technology company. Since 1996, usc has been at the top of china's domestic market; in 2005, usc acquired the ibm pc (personal computer) enterprise; and in 2013, usc preferred the increase in computer sales to become a large global pc producer. In october 2014, the consortium announced that it had completed its acquisition of motorola mobile. As a leading enterprise in the global computer market, the consortium seeks to contribute to the success of global clients and partners by developing, manufacturing and marketing reliable, safe and accessible technological products and quality professional services. The company mainly produces commodities such as desktop computers, servers, laptops, smart televisions, printers, handheld computers, master boards, mobile phones, and one computer. Since 1 april 2014, four new, relatively independent business groups have been established, namely, the pc business group, the mobile business group, the enterprise group and the cloud services business group. In august 2016, the national chamber of commerce and industry issued a list of "the top 500 national companies in 2016", which is the fourth highest number. Products launched jointly with luftmed also refer to more than 99 per cent pm2. 5 removal rate and allow visualization of air quality monitoring. The introduction of air purification products resulted in better global certifications such as international ozone-free certification, german safety certification and european safety certification。