Tianjin Airlines
Tianjin Airlines are increasing the frequency of their Gatwick-Chongqing-Tianjin route to 3 weekly, and also introducing a new Gatwick-Xi'an-Tianjin route, although the frequency of the latter is not get confirmed.
www.businesstraveller.com/news/2016/11/10/tianjin-airlines-to-increase-uk-services/