Hengshui youwei fine chemical Co., Ltd. is a comprehensive chemical industrial enterprise. We are manufacturer of Succinonitrile (Butanedinitrile), Basic green in China. We are the largest succinonitrile manufacturer and exporter in China.Our corporation enjoys powerful technical force and first-class production equipment and complete inspecting methods. We hold firmly to the policy of Customers Foremost and Credibility First and place great emphasis on reliable good quality of the products.