3 农村一级久久久久毛片,a毛片一级看免费,簧片一级特黄国产精选

国产性交a级毛片-久久久久久免费一级A片-一级黄色视频播放片区-有没有一级黄色网-黄色一级毛片91视频-我要看一级黄片免费的-欧美成人黄色一级-日韩高清一级黄毛片-黄色一级.a片视频

Fiberglass silo

1. High hardness, hard texture formed under vacuum condition;

2. Good strength, with bending and tensile strength reaching about 270-300Mpa;

3. Resistant to corrosion. Salt spray test shows that its service life can reach more than 20 years;

4. It is well sealed with UV-resistant weather-resistant adhesive;

Download PDF Contact us  >

Related Products