Hello, the benchmark delivery product of ferrosilicon futures of Zhengshang Institute: the brand name is FeSi75-B (silicon content ≥72.0%, phosphorus content ≤0.04%, sulfur content ≤0.02%, carbon content ≤0.2%), which conforms to People's Republic of China (PRC) national standard ferrosilicon (GB/T 2272-2009).

10-60mm ferrosilicon, in which: there is no requirement for the contents of manganese and chromium; The particle size deviation of the undersize is less than 5%, and the particle size deviation of the oversize is less than 8%.