1. Spec: Dia 60-Dia 2000 2. Material: 4140, 4340, 4135, C35, C45, etc. 3. Delivery: Finishing Henan Zhongyuan Roller Shaft Co., Ltd. is a professional manufacturer which mainly produces forged rolls and forged shafts in zhongyuan of China. Annual intergration producing capacity is: 10000 tons of forged cold rolls, 10000tons of shafts and mechanical parts. These products have the properties of ...