Changsha Green Mountain Chemical Co., Ltd. is an ISO9001 approved Chemical manufacture and supplier from 2002! Now around 115 companies from the world have cooperated with us because of our super quality and competitive price. Our city located in the south central part of China. It is easy to arrive at our city 1-2 hours from Beijin, Shanghai and Guangzhou by air or high speed train. We have mainly 4 categories products of Sulphate, Nitrate, Phosphate and Organic. Especially for Ferrous Sulphate, Magnesium Sulphate, Manganese Sulphate and Zinc Sulphate, we started producing from 2002! For all products and every shipment, SGS, BV, Intertek or CIQ quality inspection report could be offered when required. Starting business from 2002, our experienced staffs have been specializing on micro nutrients, fertilizers and feed additives around 20 years. We focused on quality control and customer service always! Hope we could be your reliable partner from now!