China high quality Industrial Professional Standard Precision CNC Hyperboloid Gear Pulley Sprocketmade in China Compact Small Space pulley block

Product Description  Product DescriptionMaterial :42CrMo, 20CrMnMo, 20Cr2Ni4, 35CrMo, 20CrMnTi and Other high intensity alloy steelTooth Flank :Tooth flank carburization and nitrification, with rigidity of HRC58-62Gear precision :Grade VPrecise measurement :Precise...