白嫩人妻娇喘欲仙欲死,午夜福利理论片在线观看播放,又湿又紧又大又爽A视频国产,成视频年人黄网站免费视频

Welcome to Beifang Waterproof. Ancient have positive Dayu, this is Beifang Waterproof !

  • Elastomer (SBS) Modified Bituminous Waterproof Sheet Material

    http://chefanbao.cn/en/upload/2015/06/16/14344230493551m2fov.jpg

    HLS-110 Elastomer(SBS) modified bitumen waterproof membrane is saturating the membrane base with modified bitumen, thermoplastic elastomer (styrene butadiene-SBS), reinforced with polyester or fiberglass, with fine sand, mineral slate(or grains)or polythene membrane on top.

  • Atactic polypropylene(APP) Modified Bituminous Sheet Material

    http://chefanbao.cn/en/upload/2015/06/16/143442309565543v3nh.jpg

    Atactic polypropylene(APP) Modified Bituminous Sheet Materialis saturating the membrane base with modified bitumen, atactic polypropylene(APP), reinforced with polyester or fiberglass, with fine sand, mineral slate(or grains)or polythene membrane on top.

  • Root penetration resistance of waterproof sheets for green roof system

    http://chefanbao.cn/en/upload/2015/06/16/1434425870928ozuqp.jpg

    SBS/APP modified bituminous root penetration resistance waterproof sheet material is the material with Ligament polyester filler as the base, with SBS/APP modified asphalt adding chemical root resistance agent as cover materials, which has prevented the plant root penetration and wat…

400-6899-550

7*24 Hot Online

Online Service

Service Time:8:30-22:00