Yongxing Special Materials Technology Co.Ltd(002756) said at the performance presentation meeting that the company's lithium salt phase II project is progressing in an orderly manner as planned. The first production line has been tested and the second production line is undergoing equipment installation; The 1.8 million T / a lithium ore high-efficiency beneficiation and comprehensive utilization project has entered the final stage of construction, and some equipment has been installed; The preliminary preparations for the lithium ore technical transformation and expansion project with an annual output of 3 million tons have been completed and entered the construction stage. The production scale contained in the Huashan porcelain ore mining license has been changed from 1 million tons / year to 3 million tons / year.