1. <acronym id="fvdbg"><sup id="fvdbg"></sup></acronym>

    2. <optgroup id="fvdbg"><li id="fvdbg"></li></optgroup><span id="fvdbg"></span>
      <optgroup id="fvdbg"><em id="fvdbg"><pre id="fvdbg"></pre></em></optgroup>
      <acronym id="fvdbg"></acronym>
    3. 亚洲性色高清在线丨_国产在线高清伦片a_亚洲美女av在线免费_日本亚洲成高清一区二区三区
              2-Bromoacetophenone ..
              4-Bromopyridine hydrochloride..
              3-Bromobenzyl bromide ..
              3-Chloropropionyl chloride..
              2-Aminoisobutyric acid..
        About us

      Weifang Qianjin Fine Chemical Co., Ltd. is located in Weifang Hi-Tech Development Park, with a land of 20,000sqm. Now, our main products include: pyridine series, toluene series, benzaldehyde series, thiophene series and so on. Up to now, we have become a trustworthy company among customers for excellent product quality and professional and meticulous service. Qianjin is willing to cooperate with all partners in the world to seek mutual development and create a better tomorrow together!