The Hong Kong-listed company is, according to one banker at HSBC, the answer to Facebook, WhatsApp, Spotify, Kindle and ApplePay, but all under one roof; based in Shenzhen, considered the Silicon Valley of China, they employ 3,000 people where over half are focused on research and development; they also have a multi-billion dollar investment portfolio; they are one of the top three companies in China and have successfully expanded worldwide with apps like WeChat. Source