... Co.,Ltd. is one of the world’s leading low carbon or low alloy steel foundries. We are a true heavy ... Products Company NameMain ProductsMaterialPart of Technical RequirementJiangsu Pengfei Group Co.,Ltd.Support roller, kiln tyre, girth gearZG35CrMo,ZG42CrMoUltrasonic test ... 2,hydraulic pressure test max 52.5MpaSinoma-Liyang Heavy Machinery Co.,Ltd.Rocker arm,hub,girth gear,kiln tyreZG20SiMn,ZG35CrMo, ...