... are manufactured using precision and enhanced technology.Jiangsu Pengfei Haitai Machinery Co.,Ltd. is one of the world’ ... Company NameMain ProductsMaterialPart of Technical RequirementJiangsu Pengfei Group Co.,Ltd.Support roller, kiln tyre, girth gearZG35CrMo, ... ZG42CrMoUltrasonic test Grade 3Jiangsu Haijian Stock Co.,Ltd.Support roller,kiln tyre,girth gearZG35CrMo,ZG42CrMoUltrasonic ...