- Corrugated steel sections
- 2017-07-22 02:11
- Model Number: CSPE111 Brand Name: Qijia Key Specifications/Special Features: AdvantagesHighstrength: 1.5-3timesstrongerthanconcreteLightweight: 1/15-1/5weightofsamespecificationconcreteweightLongservicelife: normallymorethan100yearsWhenthespan...