1.High strength, good performance & impact resistance 2.Various colors, sizes & custom order is OK 3.Factory offer, good price This steel packing strip complies with YB/T025-92 standard, 2 or 3 roles per bundle(roll diameter is 200mm, 300mm), bundle weight 50 ± 1kg, inner wrapped with humidity-proof waxed paper, middle wrapped with plastic film, outside wrapped with linen or compound corrugated ...