Beijing Qingdahuayan Technology Development Co., Ltd.   

Gold BoNT coating series at the Tsinghua University chemical expert Liu Deshan, Jiang Weijun, Meng Xiangfa, cover Guosheng experts under the personal direction, and America chemical technology company paint experts Qiangqiang jointly, the use of modern nanometer technology developed with the domestic leading, world-class high-tech products, and won the state invention patent. The product has the national construction materials testing center, Chinese Academy of preventive medicine, Technology Research Institute of physical and chemical Chinese antibacterial materials testing center testing its performance and environmental indicators have reached or exceeded the national standard requirements of the quality of excellence, leading to similar products.

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