Changsha Xinxia Chemical Products Co., Ltd. is a manufacturer specializing in ferrous sulfate,copper sulfate and zinc sulfate for over 10-year production experiences. We have ferrous sulfate monohydrate powder production capacity of 15,000 tons annually, using dehydrating or air current drying process.Our company passed ISO9001:2000 inspections and obtained the ISO9001:2000 certificate in 2009. We are one of the biggest ferrous sulfate producers in China. We will continue providing our customers with high quality products and services.