China OEM Ewk Helical Gearbox supplier

Product Description Technical Parameter Housing material HT200 high-strength cast iron(EWK37, EWK47, EWK57, EWK67, EWK77, EWK87) Housing material HT250 High strength cast iron(EWK97, EWK107, EWK127, EWK157, EWK167, EWK187) Gear material 20CrMnTi...