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Heze Wolan Chemical Co., Ltd. is one of the largest production bases for water treatment agents, disinfectants, and bactericides in China. The company is located in Juancheng County, which is situated on the banks of the Yellow River and has a long h
The HPC Standards GmbH is a manufacturer and supplier of high purity analytical standards. Our ISO 9001 certified company is specialized on pesticides, pharmaceuticals and veterinary compounds, metabolites and stable isotope labeled analytical standa