Perfect ease biotech(Beijing) co., LTD. (perfect ease�or�hort) is a wholly-owned subsidiary of Huanri Group. It is an integrated high-tech enterprise which includes R&D, production, sales and service of in vitro diagnostic reagents and instruments . Perfect ease is the Chinese area agent of Chemux Bioscience, Inc, which is located in the United States. Chemux Bioscience, Inc is on attachment to Huanri Group, is a R&D manufacturer of biological reagents in San Francisco. It has international leading technical superiority in in vitro diagnostic reagents, raw material R&D and producing. many products has passed CE, ISO 13485, with high sensitivity, strong specificity, easy to use, low pollution .Main products are ELISA Kits, CLIA Kits, Rapid Tests, and Instruments.