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(qǐng)升級(jí) Internet Explorer或使用Google Chrome瀏覽器。
        如果您在使用雙核瀏覽器,請(qǐng)切換到高速 / 極速 / 神速 核心。
        PBT
        Product
        2020-03-26
        Product usage: PBT has such characteristics as heat resistance,weather resistance, chemical resistance, good electrical properties, small water absorptionand good luster, and is mainly used in the manufacture of glass fiber reinforced composites/flame retardant composites, electronic parts, electrical parts, auto parts and other industrial spare parts, PBT fiber, PBT optical fiber jacket, PBT film and PBT color master batch.
        Product output: the annual output reaching 60,000 tons.