sliding wheel 1.Material: 40Cr/steel 2.Weight:250g 3.Type: cnc ... High quality nignbo high quality precision cnc machining steel sliding wheel Advantages :Over 12 years experienceHigh quality control,Competitive price, Fast ... ,etcStandard:OEM manufacturing as per customers requirements or drawings.Application:Auto part, Medicine part, Machine part, Building part,construction machinery parts ...