无码无套少妇毛多18pxxxx,日韩欧美一区二区福利视频,17c视频在线观看,中文字幕久久久久久妻,日本黄色精品专区网站

Company NewsABOUT US

2021-08-02

Construction of integrated insulation and decoration board

According to the actual situation on site, fine tune the various partitions of the window line to ensure aesthetics and consistency. The thickness of the thick plaster layer (starting from the upper surface of the board groove) should not exceed 30mm....

2021-07-29

Where is pipeline insulation applied?

With the advancement of science and technology, there are various insulation methods available. As a better way to insulate and freeze pipelines, heating cables have been widely used....

2021-07-29

The Value of Linyi External Wall Insulation Materials

The external wall insulation material is directly used to establish the insulation system. The establishment of the insulation system requires the preparation of materials such as paint and boards, as well as complete tools, in order to carry out construction according to certain specifications...

2021-07-29

How can the installation of external wall insulation materials be more robust and sturdy?

The phenomenon of detachment of external wall insulation materials is due to installation and material issues. It is necessary to fully consider the impact of the environment on the service life of external wall insulation materials, such as expansion after heat absorption and reduced adhesion caused by rainwater erosion....