Hengshui youwei fine chemical Co., Ltd. is a comprehensive industrial enterprise. We are manufacturer of Succinonitrile (Butanedinitrile), Basic green in China. the largest succinonitrile and exporter China.Our corporation enjoys powerful technical ...

Handan Huajun Chemicals Co., Ltd. is engaged in pharmaceutical intermediate industry. We are a professional manufactuer with advanced technology, stable quality and the whole production line producing succinic anhydride, chloromethyl pivalate ...