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.

The subsidiary is registered in Hangzhou, home of e-commerce company Alibaba, according to a filing approved on China's National Enterprise Credit Information Publicity System last week and seen by Reuters.