Shouguang Derun Chemistry ?Co., Ltd, was founded in2006 .It located in Shouguang city, Shandong province-the famous flame retardants manufacturing base. Taking the advantages of our rich local resources and powerful production and R&D ability , we are working hard on providing the most competitive products and service for clients in different industries. After years of development, Derun has formed a product structure of many series and rich varieties,including phosphorous flame retardants，br...
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