Grey nodules, a new generation company manufacturing and specialising in custom designed small parts castings by hand moulding. Machine moulding. Shell moulding and investment [lost ware] casting process. The company specializes in sc iron [ductile iron ] investment castings in different grade and also ni-resist-sg iron castings. The company`s special expertise areas are sg iron, alloy sg iron, grey cast iron, low and high alloy cast iron, low and high alloy steel and stainless steel c asting parts weighing from few grams to 40 kg per piece. It also has new generation induction furnaces, foundry machinery, and well-equipped chemical and metallurgical testing facilities.