Chemland Founded in 2000, We specialize in manufacturing and exporting ingredient for feed, fertilizer and water treatment products, including ferrous sulfate, manganese sulfate, zinc sulfate and EDTA series products. At present, we own the largest production line of feed grade ferrous sulfate in China, with an annual production capacity of 35000 tons; what is more,we produce 20000 tons of manganese sulphate and zinc sulphlate annually. All of our products satisfy our customers all over the wor...