Grade A : dia.15-20mmGrade B : dia. 20-25mmGrade C : dia. 25-30mmGrade D : dia. 30-35mmGrade E : dia. 40-60mmSlice itemGrade C : dia. 25-30mm Sliced3-5mmthickGrade D : dia. 30-35mm Sliced3-5mmthickGrade E : dia. 40-60mm Sliced3-5mmthickInner packing: polybagOuter packing: plastic drumPacking: at 50kg (D.W.) per drum,totally 300 / 320 drums (D.W.15mts) per20'fcl.