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Ningbo Jiasi Chemical Co., Ltd. (former Zhejiang Jiasi Chemical Co., Ltd.) is a high-tech chemical enterprise integrating R & D, production and sales. We specialize in Grignard Reaction, Sandmeyer Reaction, Friedel-Crafts Reaction, Brominations, Low-temperature Nitration Reaction, Electronation Reaction, Non-monophase Catalytic Oxidation Reaction, Etherification of Phenolhydrox, Cyclizative Condensation and oth...