Brand: SdS Material: Cast Iron Port of shipment: Xingang or Lianyungang The cast iron pipe soil pipes are manufatured according to ISO6594, ... Excellent anti-seismic features, suitable for anti-seismic protection in high buildings.(1)Whatever axial deformation, within 35mm, ... vibration within 15 degree, causes no leakage.3. Centrifugally cast. Even wall thickness, fine structure, smooth surface, no ...