久久精品夜夜夜夜夜久久,人妻精品无码一区二区三区,国产美女精品一区二区三区,小雪被老汉各种姿势玩弄,狠狠躁夜夜躁av网站中文字幕

Pressure test reservation

新聞資訊

新聞資訊

Tonzo ppr quickly install the elevator base is listed in March

2017-03-30
Product pictures
 

At the time of installation, a elevator base is installed at 1 m per interval.

As shown in the figure below:

Each hanger can be up to 600N.

It's about 4.8 N per meter in full water,

600N>>>>>>4.8N



Ensure the quality of the products is stable while ensuring the speed of installation.