하이 퀄리티 HRB400 철근 콘크리트 철근 판매 직선 바 철근 및 스크랩 빌딩

The Shijiazhuang-Jinan Railway Railway Bridge is 14.032 kilometers long and is a bridge across the Yellow River. It is divided into three parts: the south approach bridge, the main bridge, and the north approach bridge. The main bridge is a dual-purpose bridge for both highway and railway. The steel trusses with a blue main color look like seagulls flapping their wings. The Yellow River Railway Railway Bridge is a dual-purpose bridge for both highway and railway construction for the Shijiazhuan