欧美午夜精品人妻久久久久,刑警娇妻穿着乳环被调教 ,夜夜操亚洲女人,一级a做片免费久久无码

Outstanding performance green steel works

Foshan Steel as green products have a good reputation, outstanding performance steel layout works

1) Heavy industrial plants;

2) Light steel door frame;

3) Multiple high-level steel layout;

4) large-span steel layout (grid, mesh shell, cable, cable film, tensegrity, stayed .......); nearly a decade has made progress in research and application of space layout, the span of more than 100 meters spatial layout appeared in large numbers. Grid, mesh shell, truss, cable and membrane sheets Labrador Bureau and beam string layout become span space steel layout mainstream.

5) Steel residential layout (structure, light steel keel);

6) Pipe layout;

7) a combination of the layout.