Specifications:1) Sizes: 54 x 80mm to 72 x 100mm2) Standards: GB/T 10, 20, 35, 45# 16Mn3) Surface: oiled or black painted to prevent rust4) Marking: as per customer's requirementInner packing:Caps on two ends of every pipeOuter packing:In hexagonal shape bundles wrapped with strong steel trip2MT/bundle producing area:China payment:30% T/T deposit, L/C supplying capacity:1,000MT/month