新婚人妻扶着粗大强行坐下,国产免费v视频69公社,久久国产热这里只有精品,欧美性插b在线视频网站

產(chǎn)品簡介
Product introduction
ENVIROTUFF Vapor Barrier Membrane
Placed on the inner side of thermal insulation layer, vapor barrier membrane is to prevent water vapor from entering thermal insulation layer, reduce condensation, strengthen thermal insulation effect and prolong service life of thermal insulation layer.

Characteristics

? Based on the general aluminum foil vapor barrier adopting the unique fire protection technology, the new type of vapor barrier which conforms to the domestic A2 Level combustion rating test is also the only vapor barrier that can reach the level a fire protection level in China at present.


Product Information

產(chǎn)品中心-二級頁面隔汽膜-02 英文-04.jpg

CopyRight ? 2022 ensi.com.cn. All Rights Reserved.上海恩熙實業(yè)有限公司. 版權(quán)所有 滬ICP備06056848號