Xuzhou D&R Engineering Machinery Co., Ltd.
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| Product Name | large size ring gear spur gear as customer drawing |
| Material | 42CrMo4,:34CrMo4,S45C,SNCM439,20CrMnTi,16MnCr5. |
| Machining Process | Forging,Normalizing,Quenching and Tempering,Turning,Gear Hobbing,Gear Shaping,Gear Broaching,Gear Grinding,High Frequency |
| Standard | DIN GB ISO JDIN ,EN,JIS,ASTM,GOST. |
| Grade | SUS201, SUS304, SUS316, |
| Brade | OEM |
| Used | mills, dryers ,mixers at cement, mining, petroleum, metallurgy, building materials. |
