ShanFeng Chem is China's primary producer of such fine chemicals as complexation agent and cycloamine series in China.Its capacity lised as belw:EDTA:4000MT/A,EDTA-2Na:2500MT/A,EDTA-4Na:1000MT/A,EDTA-FeNa:300MT/A,EDTA-FeNH4:200mt/A.More detalied information pls contact with me.