Chem Service, Inc.
Chem Service offers a comprehensive line of analytical standards including pesticides, metabolites, PAH's, PBDE's, PCB's, phthalates, dyes, surfactants and vitamins to meet the specifications of EPA, DIN, ISO, ASTM, UST and many international methodsIntroduction
Chem Service offers a comprehensive line of analytical standards including pesticides, metabolites, PAH's, PBDE's, PCB's, phthalates, dyes, surfactants and vitamins to meet the specifications of EPA, DIN, ISO, ASTM, UST and many international methods.
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Yingcheng Wuhan Organic Material Co., Ltd.have more than 50 years history of production and R&D benzaldehyde derivates. We supply cinnamon series, ester series and electronic-grade ammonium series, more than 50 kinds of products.