<video id="8h71i"></video>
    1. <u id="8h71i"></u>
    2. <b id="8h71i"></b>

      ABOUT CHENGJIE

      ABOUT US

      • Shanghai Cheng Jie Chemical Co. LTD. is a hi-tech enterprise incorporating scientific research, production and trade. Composed by specialists with doctor or master degrees in organic synthesis and drug development, and backed by the resource and scientific advantages of universities and institutions.

      LATEST NEWS

      QQ
      021-64896788
      Back to top
      久久精品人妻一区二区三区夜夜爽
        <video id="8h71i"></video>
        1. <u id="8h71i"></u>
        2. <b id="8h71i"></b>