1,gear forging 2,material:steel 3,weight of single piece between ... chemical industry forging• 3 workshops occupie20000 square meters, one is gear workshop, the second one is heat treatment workshop, the third ... , material of steel type of 15#,20#,25#,30#.35#,40#,45#,46#,etc.according to customers' different requirements.3,main ... 4, accept processing on giving materials. 5, excellent heat treatment. gear