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  SinMin’s factory was established in 2009, located in Chaling,Hunan. We have over 20 years experience of zinc sulphate vendition, and over 10 years experience of export zinc sulphate.Our company purpose is offer customers the good products, higher quality and caring services,at meantime, build a healthy business relationships with customers.
  Hunan SinMin Chemical Co., Ltd. is specialized in zinc sulfate granular vendition,we have a modern factory with advanced management mode, and the industry's It's very advanced equipment.The SinMin zinc sulfate products have many advantages such as good hardness,full zinc content, high fineness,low heavy metal ,low moisture, non-caking, etc., with an annual production capacity of 15 thousand tons.
  The products have been exported to Japan, Australia, the United States, Italy, Germany, France, Spain and other countries, which have been widely used in feed, fertilizer, mineral processing, pharmacy, rubber, chemicals, electronics, defense and other fields.