China Best Sales Chain Drive System Reinforced Motor Chains 428h

Product Description 1)Type roller chain 2)Materials steel: 40Mn(Plate) 30CrMnTi(Pin) 20Mn(Bush) Mn10(Roller) 65Mn(Clip) 3)Chain No. 420h/428h/520h/525h/530h 4)Lifetime 30000 KMs 5)Function transmission chain 6)MOQ 100meters 7)Supply Ability 100000 Meter/Meters per...