https://www.reuters.com/article/us-china-facebook-subsidiary/facebook-quietly-sets-up-subsidiary-in-china-despite-hardening-censorship-idUSKBN1KE1JF >Facebook has set up a subsidiary in China with registered capital of $30 million, according to an official business registration, hinting that the U.S. firm may be ramping up its presence in the restrictive market where its social media sites remain blocked.