by ep | Nov 13, 2023 | Product Catalog
Product Description 60 double motorcycle roller bike cycle motorbike small cog stainless steel Double Idler Double Pitch bike chain 520 420 Engineer Class sprocket Manufacturer of Sprocket, Chain sprockets, wheel and sprocket, drive sprocket, sprocket wheel, taper...
by ep | Apr 13, 2023 | Product Catalog
Product Description Product DescriptionHeat treatmentHarden teeth, tempering, quechingSurface treatmentzinc plated, blacken, phopharization, carborizedProcessForging( casting)—lathe- teeth shaping—finishing—oil washing—Packing ,made by CNC...
