Zhejiang Jiasi Chemical CO.,LTD is specialized in manufacturing fine chemicals ,and approved by ISO9001:2000. Our company is engaged in providing fine chemicals, also including pharmaceutical intermediates,alkynyl alcohols nonionic surfactant functions on defoaming and wetting, liquid crystal and electron chemicals, sensitization & photochromism materials, light initiator and special high polymer monomer etc. Furthermore, 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 others cell chemical reaction ,