Corrugated metal arch, span 8 meters, applied to SongTong ex...
Diameter 6 meters corrugated metal culvert pipe with bitumen...
Corrugated steel pipe in BiWei expressway, diameter 3 meters
Structre plate diameter 6 meters, culvert length 130 meters,...
Corrugated metal pipe diameter 3 meters in double Guang expr...
Corrugated metal structure plate arch apply to magazine
Diameter 4meter corrugated steel pipe in PanZhiHua
Corrugated steel culvert GuangYue avenue in SiChuan province