激情黄色一级片丨亚洲欧美综合国产不卡丨xxxx国产一二三区xxxx丨av小说免费在线观看丨国产免费黄色录像丨超碰女优丨丰满妇女毛茸茸刮毛丨国产精品高潮呻吟av久久4虎丨久久精品中文闷骚内射丨非洲黑人三级全黄丨亚洲一区黄色丨极品蜜桃臀肥臀-x88av丨国产69精品久久久久乱码丨少妇高潮流白浆9191丨欧美成人精品在线丨欧美精品一区二区三区四区丨午夜精品免费视频丨神马午夜51丨日韩精品一线二线三线丨乱人伦人妻中文字幕不卡丨日躁夜躁狠狠躁2001丨欧美aaaa视频丨亚洲无限看丨午夜三级毛片丨国产视频手机在线观看

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

  • Thermoplastic polyolefin (TPO) waterproof material

    http://www.qujfc.cn/en/upload/2015/06/16/143442647891864cevk.jpg

    HGT-100 series thermoplastic polyolefin (TPO) waterproof material is a kind of thermoplastic elastomer material, which is made of vinyl chloride as the base material, adopting advanced polymerization technology and special formula. Physical performance is stable, the construction is conven…

  • Polyvinyl chloride plastic sheets for waterproofing

    http://www.qujfc.cn/en/upload/2015/06/16/14344265104051pj6xk.jpg

    HGP-200 series PVC waterproof material is made of PVC resin as the main body, adding anti UV agent, anti-aging agent, antioxidant and other chemical additives, after heat mixing, extrusion, calendering, cooling and other processes made high performance elastic waterproof material.

  • Polyethylene polypropylene fiber waterproof material

    http://www.qujfc.cn/en/upload/2015/06/16/14344265433737j6xk8.jpg

    Polyethylene polypropylene fiber waterproof material is in fully studied based on existing waterproof coiled material, according to the new requirements of modern engineering of waterproof materials, using polyethylene, high-strength polypropylene fiber non-woven fabric, ultraviolet isolation ag…

400-6899-550

7*24 Hot Online

Online Service

Service Time:8:30-22:00