... , sleeves, rings, flange, steel cylinders, crankshafts, blocks and isoforms for matching. Packaging & Delivery Packaging Detail:wooden package Non fumigation be ... industry forging• 3 workshops occupie20000 square meters, one is gear workshop, the second one is heat treatment workshop, the ... cases . 2, material of steel type of 15#,20#,25#,30#.35#,40#,45#,46#,etc.according to customers' different ...