成人午夜两性视频在线看,欧美日韩国产三级在线播放,亚洲成人一区二区三区三州,日本天堂电影免费观看,欧美日韩国产一区二区免费,欧美日韩亚洲蜜桃,91麻豆精品传媒一二三区,国产欧美久久精品免费,日韩中文字幕91,久久一级黄色视频播放,国产一区二区一级毛片,黄色日韩av在线,日韩一区精品在线,野花日本韩国电影免费,韩国日本大片免费看,国产大陆一级毛片av,欧美亚洲日本在线播放,精品久久午夜精品电影,中文字幕久久一区二区精彩,欧美一级视频在线,婷婷久久五月激情,久久夜夜国产高清,欧美三级日本三级人妇三久久

Steel frame display ads on three sides

1. Advertising Billboard Frame Specification:
1) All the advertising billboard frames are made of Q235 steel;
2) There are bolted structures, welded structures and bolt ball grid structure;
3) High strength, sturdy and durable;
4) Resist wind speed at 150km/h;
5) High earthquake resistance;
6) Anti-rust, anti-corrosion surface.The surface can prevent wind abrasion and sustain high temperature.
7) Service lifetime is 10 years.

2. Excellent Service:
1) Each advertising bill board frame would be rechecked by designer to ensure the safety and coordination to different countries' customer;
2) Provide both standard design and personalized design;
3) Strict quality supervision during the whole manufacture process;
4) Provide installation guide by professional engineer.