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    1. About About Kingfriend

      Nanjing King-friend Biochemical Pharmaceutical Co.,Ltd.was established in 2000, formerly known as Nanjing No. 2 biochemical pharmaceutical factory. It is one of the pharmaceutical enterprises engaged in the extraction and purification of heparin and the development of product structure confirmation methods for heparin like mucopolysaccharides in China in the early stage. So far, it has been engaged in the production of heparin products for more than 20 years. At present, the company is the largest in the world.
      99精品午夜无码一区二区_精品人妻无码中文字幕第一区_亚洲美女在线一区二区_国产精品不卡无毒久久久久
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