扑克牌又痛又叫免费下_久久免费看一级黄片_а√最新版亚洲毛多色婷婷_一级做a在线观看_丰满少妇被猛烈进入高清播放!_狠狠干天天爽_亚洲高清日韩精品第一区_aA片大片在线观看_717YY电影夜夜福利_乱码午夜极品国产内射

Product Service

Ridge ventilation coil

Its middle part adopts breathable PET non-woven fabric, and there are aluminum stretch pleats on its two sides. Self-adhesive material adopts Butyl rubber with excellent performance, which is durable and firm. It is used for the position of the main and oblique ridges of sloping roofs.

Become a distributor

A professional and complete team provides comprehensive service support covering from scheme design, architectural design optimization, construction scheme guidance, cost estimation, warehousing and transportation, various accessories to pre-sales, during sales, and after-sales.

Become a distributor now