We are a producer and exporter of main chemical materials of ferrous sulphate monohydrate powder, ferrous sulphate monohydrate granular, ferrous sulfate monohydrate powder, ferrous sulfate monohydrate granular, manganese sulphate monohydrate powder granular,zinc sulphate heptahydrate powder, zinc sulphate monohydrate powder granular, Copper Sulphate Pentahydrate,magnesium sulphate heptahydrate, magnesium sulphate monohydrate, magnesium sulpahte anhydrous powder granular, sodium alginate,zinc chloride,zinc ammonium chloride,sodium molybdate, ammonium molybdate, citric acid monohydrate, citric acid anhydrous, zinc oxide,borax,boric acid, iron oxide, titanium dioxide,sodium diacetate ( sda ), sodium metabisulphite,n-methyl-2-pyrrolidone(nmp), 2-pyrrolidone, a-pyrrolidone, 1,4-butanediol(bdo),gamma-butyrolactone(gbl),tetrahydrofuran and so on.