https://www.theguardian.com/technology/2018/jul/25/facebook-sets-up-subsidiary-in-china-despite-website-ban

Social media company ramps up presence with new ‘innovation hub’

Facebook has set up a subsidiary in China and plans to create an “innovation hub” to support local start-ups and developers, the company has announced, ramping up its presence in the restrictive market where its social media sites remain blocked.