... : 0.5kg - 15MT 1) Our factory has ability to make forged parts of diameter no larger than 2,300mm,and per ... piece no larger than 15MT, including forging, forged hardening, machinerycutting, rough cutting and tempering processes. 2) This sort ... , JB4726-2000, JB4727-2000, JB4728-2000 andJB/T5000.8-1998. Forged Ring