We,Zhuzhou Cross-Continental Co.,Ltd is a private enterprise specialized in the manufacture,Sales,exporting and importing trade of chemical products.Our products include trace element minerals¿feed additive¿fertilizers those agriculture chemicals such as Zinc Sulphate,Manganese Sulphate,Ferrous Sulphate. We have our own special manufactories for high quality Zinc Sulphate Monohydrate Powder and Granular