recent years, antimony has been widely used in ame retardants [1–3], medicine [4, 5], materials [6, 7], alloys [8, 9], and other elds. China is a country with large amounts of antimony that account for more than 60% of the world's reserves. In 2016, China's rened antimony production was 108,000 tons, accounting for 76.9% of the