http://www.ztedevices.com/news/company_news/56ea6b79-0528-4334-943c-aa5a75c1c2ff.html

"ZTE mobile handsets at a glance

ZTE is the No. 4 mobile handset manufacturer in the world according to global industry analyst IDC. ZTE produces a complete range of mobile devices including mobile phones, tablets, mobile broadband modems and hotspots, and family desktop integration terminals.

• ZTE has partnered with over 230 major carriers and distributors in more than 160 countries and regions around the world, and has strategic partnerships with 47 of the global top 50 carriers.
• In 2011, ZTE applied for more international patents than any other company in the world."