1024日韩,青青精品视频国产,甘甜的牛奶小说全文阅读在哪里看,婬荡的女教师4波多野结衣,穿越恋爱小说 女主强,双性大乳的风月艳事by奶大小说,尤物精品无码视频在线精品视频,国产精品久久久久久搜索,小说家庭伦理

  • Science and technology are primary productive forces

    Negative ion safety membrane

    • Hardness

      2H

    • elongation at break

      ≥ 200%

    • peel strength

      800g/in

    special efficiency special effects

    ★ Bacteriostasis and corrosion resistance

    ★ Remove odor and dust

    ★ Decontamination and dust removal

    ★ Energy saving and thermal insulation

    ★ Improve sleep

    ★ Health and environmental protection


    Product use

    Widely used in furniture paint, home glass, automotive glass, etc