... 6mStainless steel wire mesh packing: Inside the roll with "paper tube" to reduce the pressure while loading; Then ... petroleum, chemical industry, mine, environment protection, food industry, paper-making, electronic industry, etc.The varieties of products:1.The ... 0mm4.Mesh/inch: 3--400mesh5.Certification:ISO9001:20006.packing: Waterproof Paper inside, plastic film outside, then pallet or wooden box ...