Boogie Leaf Spring 1)Material:SUP7,9,9A,10,11,11A 2)Type:Conventional,Parabolic,Z-type,Galvanized 3)Certificate:ISO/TS1694 Boogie Leaf SpringMaterialSUP6 ... ,9,9A,10,11,11ATypeSemi-TrailerSize90x16-9 etc.Brand No.Conventional Leaf SpringFOB PriceUSD 800~1,000/TonDelivery TimeWithin 15 working-days ... 90,000 Tons.The lead time is within 4 weeks Trailer Bogie Conventional Leaf Spring