1. Forged train part bearing sleeve manufacturer. 2.Materials: Carbon steel, Alloy steel, ... price Product name: Casing and Forged part train part bearing sleeve , Railway train parts, Forging train parts,railway ... with 5 production lines. The main production equipments are friction forging press(250T, 300T,400T,630T,1000T),natural gas ... products. Casing and Forged part train part bearing sleeve