丁香久久精品视频三区|丁香婷婷综合五月六月|丁香五月开心婷婷综合中文|丁香五月婷婷免视频

      1. <sub id="bot96"></sub>
      2. 您的瀏覽器版本太低,將不能正常瀏覽。請升級 Internet Explorer或使用Google Chrome瀏覽器。
        如果您在使用雙核瀏覽器,請切換到高速 / 極速 / 神速 核心。
        Crude Phenol
        Product
        2020-03-28
        Product Presentation:
        Production capacity over 7,000 tons/Y.Through coal tar distillation,extraction & refining process,we can steady produce and suppiy high-quality products.Top and stable quality.
         
         
        Use:
        Crude phenol is used to produce various chenical products (phenol,cresol,xylenol,etc)widely used as base materials for phenol resin,fire retardants,semiconductor sealer,and insulated varnish.