gray iron brake drum 1. Over 40 years' casting experience 2. ... per drawing or sample 3.ISO9001:2008 4. OEM offerred Gray iron brake drum Features: 1) Made of grey cast iron ... . Products' information: Our main products include: i) alloy cast irons, gray iron, Ductile iron parts (G3000, G3500, GG20, GG25, GG30, GG35 ... to America and Germany, and they are warmly welcome. Supply gray iron brake disc