<ol id="zki72"><object id="zki72"><input id="zki72"></input></object></ol>

    1. <rp id="zki72"><ruby id="zki72"><u id="zki72"></u></ruby></rp>
      <th id="zki72"><pre id="zki72"></pre></th>
      <rp id="zki72"></rp>

    2. <li id="zki72"></li>

      <progress id="zki72"><pre id="zki72"></pre></progress>
      <rp id="zki72"></rp>
      <em id="zki72"><acronym id="zki72"></acronym></em>
    3. <progress id="zki72"><track id="zki72"></track></progress>

      <button id="zki72"><acronym id="zki72"></acronym></button>

      1. <ol id="zki72"></ol>

          <em id="zki72"><acronym id="zki72"></acronym></em>

          Tianjin Zhongjing

          ABOUT US

          Tianjin Zhongjing

          ABOUT US

                It is a national high-tech enterprise engaged in the processing, sales and related technology research and development of silicon materials. The company is mainly engaged in Cz silicon single crystal, Fz intrinsic single crystal silicon, Fz neutron irradiated single crystal silicon, Fz gas doped single crystal silicon, polycrystalline silicon and corresponding processed products. Product specifications 1--18 inches, mainly used in diodes, transistors, integrated circuits, thyristors, optical device, sputtering targets and solar cells.

          PRODUCTS

          PRODUCTS

          Zhongjing Semiconductor

          technology, service, integrity, excellence


          NEWS CENTER

          NEWS CENTER

          TECHNOLOGY,SERVICE,INTEGRITY,EXCELLENCE

          国产网红主播无码精品 在线播放韩国a级无码片| 国产精品国产三级国产av| 日本japanese强制高潮| 天堂在线.www在线| 免费观看又色又爽又黄的视频| 无缓冲不卡无码av在线观看| a毛片免费全部播放完整| 特级毛片a片全部免费| 草民电影| 亚洲成年av天堂动漫播放器| 娇小6一8xxxxx|