Min. Order Reference FOB Price
500 Pieces Negotiable
Product Description
1)Type roller chain 2)Materials Grade A steel: 40Mn(Plate) 30CrMnTi(Pin) 20Mn(Bush) Mn10(Roller) 65Mn(Clip) 3)Chain No. 520H 4)Warranty above 30000KMs 5)Process Sand blasting, heat treatment, High speed impact, Pre-stretching and running Four sides riveting, ...