various steel precision Castings: 1. Accurate dimension 2. Reasonable price 3. Small ... castings for aviation:1)Material: Grey Iron, Ductile Iron, Carbon steel, stainless steel, bronze, alloy steel2)Surface Finish: Zinc/nickel/chrome plating ... 1400×1400×1000mm, and weight is no more than 160kg. various steel precision castings for aviation