囯产精品99久久久久久WWW,蜜臀色欲AV无码人妻,无码人妻AⅤ一区二区三区玉蒲团,国产精品 码一本A片,草 榴一区二区三区

中文   English

Technical

  • Technical
  • COMMON PROBLEM
  • Server

  •       Our company has the ability of continuous scientific and technological innovation, market integration and product sales.
     
          Guided by the industrialization of high-quality biodegradable modified resins and products, our team has completed the construction of a 3000 t / a multi-component composite modification production demonstration line for biodegradable films, sheets and injection molding.
     
          The project has accumulated many years of research and technology development experience, has independent intellectual property rights and perfect production technology, and has achieved the international advanced level in this field.







     
    TOP