Product Name: heavy duty trailer spring leaf for truck suspension; Supply Ability: 2000.0 Ton/Tons per Month; Material: Steel,Sup7,9,10,11,11A,Steel; Size: OEM or Customized; Application: trailer, truck; OE NO.: leaf spring; Packaging Detail: By Pallet; 25T Leaf Spring in 1X20'; Port: Qingdao,..