Guohan is a supplier based in China that lists a range of ferroalloys and industrial materials on Global Trade Plaza. Its catalog includes silicon manganese alloy used as a composite deoxidizer in steelmaking and as a reductant for producing manganese metal, manganese metal flakes in 10–50 mm sizes with high purity, and silicon barium alloy supplied as granules or lumps for inoculation. The company also offers magnesium ingots designated Mg99.98, vanadium nitrogen alloy (VN16) with vanadium content of 77–81% and nitrogen of 10–16%, and petroleum coke in granule form packed in 1‑ton big bags. Buyers can send an enquiry through Global Trade Plaza.