China Hot selling Chain Drive System Reinforced Motor Chains 428h

Product Description 1)Typeroller chain2)Materialssteel: 40Mn(Plate) 30CrMnTi(Pin) 20Mn(Bush) Mn10(Roller) 65Mn(Clip)3)Chain No.420h/428h/520h/525h/530h4)Lifetime30000 KMs5)Functiontransmission chain6)MOQ100meters7)Supply Ability100000 Meter/Meters per year8)Tensile...