Hunan Simn  Chemical Corp.  is  a leading manufacturer and exporter of  metals &  chemicals in China,  has been producing silicon metal  & export-oriented chemical products in our wholly-owned factories and joint ventures.  We are also sourcing and developing  chemicals in China on our customers' behalf.We specialize in exporting silicon metal & chemicals.  1600mt monthly. Our main product is: Chinese silicon metal lump,Calcium Hypochlorite 65%,Magnesium metal Ingot(Mg:99.95%) and all kinds of chemiclas.