无套内射美女视频

  • <tr id='n1eYGy'><strong id='n1eYGy'></strong><small id='n1eYGy'></small><button id='n1eYGy'></button><li id='n1eYGy'><noscript id='n1eYGy'><big id='n1eYGy'></big><dt id='n1eYGy'></dt></noscript></li></tr><ol id='n1eYGy'><option id='n1eYGy'><table id='n1eYGy'><blockquote id='n1eYGy'><tbody id='n1eYGy'></tbody></blockquote></table></option></ol><u id='n1eYGy'></u><kbd id='n1eYGy'><kbd id='n1eYGy'></kbd></kbd>

    <code id='n1eYGy'><strong id='n1eYGy'></strong></code>

    <fieldset id='n1eYGy'></fieldset>
          <span id='n1eYGy'></span>

              <ins id='n1eYGy'></ins>
              <acronym id='n1eYGy'><em id='n1eYGy'></em><td id='n1eYGy'><div id='n1eYGy'></div></td></acronym><address id='n1eYGy'><big id='n1eYGy'><big id='n1eYGy'></big><legend id='n1eYGy'></legend></big></address>

              <i id='n1eYGy'><div id='n1eYGy'><ins id='n1eYGy'></ins></div></i>
              <i id='n1eYGy'></i>
            1. <dl id='n1eYGy'></dl>
              1. <blockquote id='n1eYGy'><q id='n1eYGy'><noscript id='n1eYGy'></noscript><dt id='n1eYGy'></dt></q></blockquote><noframes id='n1eYGy'><i id='n1eYGy'></i>
                CN EN
                • Huakang’s R&D Center has equipment and laboratories that are cutting-edge. We vigorously develop environmentally friendly polyol manufacturing technology and functional polyol products beneficial to people’s health.
                  Learn More>
                • Our center has many scientific research platforms, made up of Zhejiang Enterprise Technology Center, Zhejiang High-tech Research and Development Center, Zhejiang Huakang Polyol Research Institute, Polyol Technological Application and Research Center, Academician Zheng Yuguo Workstation, Zhejiang Postdoctoral Research Station, etc.
                  Learn More>
                • Our testing center is well-equipped with advanced instruments such as gas chromatograph, liquid chromatograph, atomic absorption spectrometer, infrared absorption spectrometer, ultraviolet spectrophotometer, Karl Fischer moisture meter, polarimeter, melting point meter, etc.
                  Learn More>
                Products
                We manufacture D-xylose, xylitol and many other products
                About Huakang
                Healthy living
                To become a Global Leader in Polyols
                Huakang is a leading expert of functional polyol and starch sugar, as well as a pioneer of research, production and sales.