PVC Welded  Mesh also known as black welded wire mesh, black welded netting, black iron welded grating, is made of selected quality iron wires through the process of automation and sophisticated welding technique.   material'low carbon steel wire, is made of high quality iron wire is welded, PVC or PE, PP powder coating surface treatment after curing, has strong adhesion, good corrosion resistance, Kizawa Hikaruryo. Manufacturing process: welding wire coating, electroplating, hot plating can also separate and dip. Specification: 1 net width: 0.5m-2.5m; 2 before coating ( diameter ) coated: 1.0-3.0 (mm). The 3 aperture: 50*50 50*100 ( mm ). Advantages: beautiful, durable, easy to transport and install, with filtering precision, high intensity.http://www.erichardwarefilter.com