<wbr id="zeyjd"></wbr>

<em id="zeyjd"><source id="zeyjd"><dl id="zeyjd"></dl></source></em>

    <form id="zeyjd"><span id="zeyjd"><track id="zeyjd"></track></span></form><sub id="zeyjd"></sub>

      <sub id="zeyjd"><address id="zeyjd"><meter id="zeyjd"></meter></address></sub>

        1. <sub id="zeyjd"></sub>
          <wbr id="zeyjd"></wbr>

              CN EN
              產品和服務

              OULI-202 吡咯烷酮羧酸鋅(PCA鋅)

              PCA鋅

              CAS編號:15454-75-8  

              產品規格:

              pH值:(10%水溶液): 5.0-6.0

              干燥失重:≤5.0% 

              含氮量:7.7-8.1%

              含鋅量:19.4-21.3%

              包裝:1kg紙箱內襯PE袋


              2012手机在线观看免费完整版,黑人强伦姧人妻完整版,日本顶级metart裸体,丰满的少妇爽的呻吟视频