WinHEC is a Microsoft partner conference that made its re-appearance in 2015 with an event in Shenzhen, China. Conducted over 2 days, it's where Microsoft and some of its hardware partners' technical experts get together to discuss the future of Windows.
"The Windows Hardware Engineering Community (WinHEC) is where technical experts from around the world, and Microsoft, come together to make Windows great for every customer. The forum is designed to help educate, facilitate the exchange of ideas and give people a venue to share best practices and discuss future opportunities."
The 2015 event saw a number of important announcements for the forthcoming launch of Windows 10 including when it will launch, news of a testing partnership with Xiaomi, new Windows Phones from Lenovo and much, much more.