... :stainless stell ,fiberglass 2.ISO9001/2000 3.factory produce 4.good toughness,erosion resistant Window screening1.Material: including low carbon steel ... ,erosion resistant,good ventilation,easy to be cleaned,beautiful,etc 3.Specifications:Standard mesh/inch: 20x20, 18x18, 16x16, 18x16, 18x14Standard ... in with petroleum, pipeline, package, all kinds of color Window screen/invisible insect screen