TCL Communication Technology Holdings Limited together with its subsidiaries and affiliates design, manufacture and market an expanding portfolio of mobile and internet products and service worldwide majorly under two brands – Alcatel and TCL. TCL Communication's portfolio of products is currently sold in over 170 countries in the region of North America, Latin America, Europe, Middle East & Africa, Asia Pacific and China. According to telecommunication research firm Gartner and the company's data, In 2015, TCL Communication's total sales volume of handsets and other products increased by 9% to 80.0 million units from which its smart devices increased by 7% to 44.5 million units, the total revenue reached HK$28.62 billion. In terms of shipment volume, TCL Communication ranked No. 5 and No. 8 among global phone manufacturers and global smartphone manufacturers respectively in 2015, it also ranked No. 7 among global tablet manufacturers. Headquartered in Shenzhen, TCL Communication efficiently operates its manufacturing plants and R&D centers in both overseas and China. TCL Communication has over 13,500 employees worldwide by the end of 2015.TCL Communication is committed to provide consumers with smart devices of latest technology and great user experience. Its large product portfolio covers mobile phone, tablet, smart connectivity device, wearable and accessories, etc. Following the "Double +" strategy ( "Smart + Internet" and "Products+ Service") of TCL Corporation, TCL Communication has been giving continuous and increasing attention in application and services , especially in mobile internet application service, smart cloud platform, smart home, third party payment, HD video conferencing service, innovation big pad and mobile health service, to create an unique & smart open ecosystem.