... Ductile cast iron bar Shape:round,square,profiled Material:concast iron Application:widely use Certificate:1SO9001,2000 Ductile cast iron bar1. Our production material is gray iron and ductile iron ... minimum yearly capacity of 50,000 tons for gray iron and ductile iron, we also have our professional engineers especially for ... of excellent quality with the most competitive prices. Ductile cast iron bar