YST (Tianjin) Import & Export Trading Co., Ltd. (YST), established in 2011 and located in Tianjin Port Free Trade Zone of China (Tianjin) Pilot Free Trade Zone, has been committed to investing in mining and sales of fluorspar minerals over the years, with its business involving import of fluorspar from Mongolia, export of fluorspar from China and entrepot trade of fluorspar.