亚洲欧美日韩久久精华液国产精品免费久久久久_91香蕉国产亚洲国产精品VA在线观看一区二区三区_国产免费永久黄色国产一级二级在线观看国内精品三级_亚洲精品国产精品国自产观看中文字幕蜜桃av免费,一区二区三区乱码无字幕中文字幕一区二区三区的国产黄片第一区二区三区国产高清精品一区二区三区国产免费AV片在线观看麻豆_久久久久久精品无码影院水牛影视亚洲日韩国产精品久久无码综合_AV天堂午夜精品一区 ,国产裸体美女永久免费无遮挡,中国XXXXXL196_MAY18_,国产一区二三区好的精华液,国产精品一线二线三线精华液,欧产日产国产水蜜桃,国产SUV精品一区二区6 ,国产成人精品免费视频网页大全,国产精品成年片在线观看,亚洲欧美另类久久久精品能播放的,国产精品青草久久久久福利99

　　Features:

　　Rapid construction with galvanized roll plate, strong rust resistance, low cost and easy maintenance

1. Hot-dip galvanized coils and flat plates can be used, and galvanized sheets can also be electroplated. The materials are more convenient:

2. All parts are standard components, which are replaceable. In case of damage or rust, users can easily replace damaged parts and extend their service life.

3. It can be renovated and demolished, especially suitable for users of the leased site;

4. The external pillar can be realized, which is more beneficial to the food flow in the warehouse;

5. The air tightness is poor, but it can reach the requirements of air tightness after the use of silicone sealant;

6. The double-layer insulation structure can be conveniently realized, with little increase in cost.