欧美成人性色xxxx视频-欧美成人性色区-欧美成人性色生活片免费在线观看-欧美成人性视频播放-a级特黄-a级亚洲片精品久久久久久久

Steel frame ad

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.