Dongguan Loong Chimi Limited is a professional & reliable manufacturer of Chemical water treatment , Fertilizer & Chemical raw materials.Ascribed to our excellent quality control best sales services, fast delivery time and competitive price, our products are sold well in such countries and regions as America, EU, Middle East and Southeast Asia.Our major products are Ferrous Sulfate, Manganese Sulfate, Zinc Sulfate, Magnesium Sulfate etc.Annual sales : USD 20 Million