... parts etc . Main productsSteel structure building ,prefab house ,steel grating ,galvanized steel parts etc .Quality ... EPS sandwich panel '* 50mm,75mm,100mm thickness Rock sandwich panel '3)Roof panel (below is selectable )* 50mm,75mm,100mm thickness EPS sandwich panel '* 50mm,75mm,100mm thickness Rock sandwich panel ... others load in 40 GP ,40HQ ,20GP container . OR as client's requirement .Installation ...