国产亚洲精品俞拍视频 国产自啪精品视频 99精品

    <center id="17x6o"></center>
          1. <code id="17x6o"></code>
          2. ethylene glycol


            Mainly used in the system of polyester polyester, polyester resin, moisture, plasticizers, surfactants, synthetic fibers, cosmetics and explosives, and used as dyes, inks and other solvents, the preparation of the engine antifreeze, gas dehydrating agent, Manufacturing resin, can also be used for cellophane, fiber, leather, adhesive wetting agent.

            Contact: 0518-81393804


              <center id="17x6o"></center>
                    1. <code id="17x6o"></code>
                    2. 国产亚洲精品俞拍视频 国产自啪精品视频 99精品

                      品牌简介

                      {转码主词}