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　　Shijiazhuang Dowell Chemical Co.,Ltd, A qualified supplier of Bayer and several global medical enterprises., founded in 2006, it is a fine chemical private enterprise of technological development, technological service and industrial production. We consistently devote to new product development and production. We insist to build core competitiveness with scientific and technical innovation. A complete product system has been built: lab for basic research, semi-works for miniature customization, and factory for industrial manufacture. Our research direction and main service are medical and pesticide intermediate……