Lianyungang Ziyan Chemical Co., Ltd. is original Jintan Sida Chemical Co., Ltd. It is a professional and scientific research type fine chemical enterprise. It has rich experience in diazo-reaction, Friedel-Craft reaction, reduction reaction, addition reaction, condensation reaction, Grignard reaction and substitution reaction fields. Lianyungang Ziyan Chemical Co., Ltd. is located in Lingang Industrial Zone of Guanyun County in Lianyungang City. It is provincial key Chemical Park, enjoying beau...