... able to manufacture all types of Forgings as per your requirements(length no more than 6M;Dia no less than ... good controlling ability for heat treatment• Most advance maching and testing facility4. Our advantages:• Manufactuer• Founded in 1987,abundent experience ... 30#.35#,40#,45#,46#,etc.according to customers' different requirements.3,main material are 5CrMnMo,40Cr,42CrMo,20Cr2Ni4,5CrNiMo,15CrNiMo ...