 Myanmar maintains diplomatic offices in Beijing and consular offices in Kunming and Hong Kong, whilst the PRC has a diplomatic mission in Yangon and a consulate in Mandalay.After 2015, China increased considerably its scope of engagement with Myanmar by playing a more active role in the peace process, developing large infrastructure projects and promoting the Belt and Road Initiative (BRI) in the country.In July 2019, UN ambassadors from 50 countries, including Myanmar, have signed a joint letter to the UNHRC defending China's treatment of Uyghurs and other Muslim minority groups in the Xinjiang region.