1,gear-forged-part 2,weight of single piece between 50kg and 5t circular ... -5t2,length no more than 5m3,mim dia over 150mmcylinder forging 1,min OD around 150mm2,weight of single piece between ... ,5CrNiMo,15CrNiMo,20CrNiMo,35CrMo,40CrNiMo,etc.7,regularly,we accept processing on giving materials.8,according to practical situation and customers ...