... and Their Products Company NameMain ProductsMaterialPart of Technical RequirementJiangsu Pengfei Group Co.,Ltd.Support roller, kiln tyre, girth gearZG35CrMo,ZG42CrMoUltrasonic test Grade 3Jiangsu ... gear,kiln tyreZG20SiMn,ZG35CrMo,ZG42CrMoUltrasonic test Grade 3Jiangsu Nair Gruop Pump Industry Co.,Ltd.Pump shell,,vane wheelZG40CrMoVhydraulic pressure test max 0.7MpaPT PAL ...